<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:9b87442c-5e6b-4aa2-805c-205b28b9610f,g:36d74328-9950-4533-9de0-88daf7148f63-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.charter.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="chtr-20210331.xsd#DocumentAndEntityInformation"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/DocumentAndEntityInformation" xlink:type="extended" id="i3679ef11ede1464f9451817f57240cf2_DocumentAndEntityInformation">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_02b9de0c-b11b-4b29-a611-9692058fa64e" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentType_02b9de0c-b11b-4b29-a611-9692058fa64e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_fd81ba24-92c3-4b79-bba8-f90d67878fb9" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentQuarterlyReport_fd81ba24-92c3-4b79-bba8-f90d67878fb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_2d48d022-c6f2-4ee2-a257-e26f69b6c78c" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentPeriodEndDate_2d48d022-c6f2-4ee2-a257-e26f69b6c78c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_6ec28c12-8abe-4110-b9a9-6abd9e36e583" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentTransitionReport_6ec28c12-8abe-4110-b9a9-6abd9e36e583" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_11b1eed7-ab50-43d1-aff8-e441d4aef9b7" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityFileNumber_11b1eed7-ab50-43d1-aff8-e441d4aef9b7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_fc41eb9d-05f6-4a44-845c-6f1dbe5d0f40" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityRegistrantName_fc41eb9d-05f6-4a44-845c-6f1dbe5d0f40" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_de9419ce-dd5a-4750-90de-f976daae7bea" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityCentralIndexKey_de9419ce-dd5a-4750-90de-f976daae7bea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_fab2ed6c-e517-431d-b861-8af0f3f1c9c6" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_CurrentFiscalYearEndDate_fab2ed6c-e517-431d-b861-8af0f3f1c9c6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_347f0b16-fe94-451e-aee6-778b31c9c9c4" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentFiscalYearFocus_347f0b16-fe94-451e-aee6-778b31c9c9c4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_d2fa7970-f03a-441b-ab13-cd04ec8278b3" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_DocumentFiscalPeriodFocus_d2fa7970-f03a-441b-ab13-cd04ec8278b3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_54d3a8b5-ed34-4eb5-b81d-56076e4945fe" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_AmendmentFlag_54d3a8b5-ed34-4eb5-b81d-56076e4945fe" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_e309aed2-0dc0-4d2d-b32d-43237fd9a69c" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityIncorporationStateCountryCode_e309aed2-0dc0-4d2d-b32d-43237fd9a69c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_a0790fc1-34d5-4a04-b932-ce4751b7e778" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityTaxIdentificationNumber_a0790fc1-34d5-4a04-b932-ce4751b7e778" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_d1e48407-4808-426e-be09-60d292b75864" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityAddressAddressLine1_d1e48407-4808-426e-be09-60d292b75864" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_defd47de-df02-4715-9a66-25101c9a1644" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityAddressCityOrTown_defd47de-df02-4715-9a66-25101c9a1644" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_725bb53d-5382-4d4e-9756-42bc8ee5884b" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityAddressStateOrProvince_725bb53d-5382-4d4e-9756-42bc8ee5884b" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_081deaf8-291f-43c7-88d2-de1ac9dc68a7" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityAddressPostalZipCode_081deaf8-291f-43c7-88d2-de1ac9dc68a7" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_26a47689-7162-412c-adca-1e7a25ea63c6" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_CityAreaCode_26a47689-7162-412c-adca-1e7a25ea63c6" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_8387f458-e4ce-4cb8-8347-7710f577aa8c" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_LocalPhoneNumber_8387f458-e4ce-4cb8-8347-7710f577aa8c" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_5c78aad1-2eeb-448a-9a57-820bfe28ee5d" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_Security12bTitle_5c78aad1-2eeb-448a-9a57-820bfe28ee5d" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_cd250f41-cffc-4e54-8542-9cb267133562" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_TradingSymbol_cd250f41-cffc-4e54-8542-9cb267133562" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_06b39573-bfbf-4c80-a8cc-2d390ef6ffe8" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_SecurityExchangeName_06b39573-bfbf-4c80-a8cc-2d390ef6ffe8" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_ae0b485c-2465-4a58-9f93-90aba0bcdd36" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityCurrentReportingStatus_ae0b485c-2465-4a58-9f93-90aba0bcdd36" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_48d0321c-cb2d-4b33-b0b2-b029dbe3afde" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityInteractiveDataCurrent_48d0321c-cb2d-4b33-b0b2-b029dbe3afde" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_a8bd0fed-1bdc-4cc5-82c3-a6eb3563bc95" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityFilerCategory_a8bd0fed-1bdc-4cc5-82c3-a6eb3563bc95" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_79f7f517-9a09-4ba0-8d69-e23b23822095" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntitySmallBusiness_79f7f517-9a09-4ba0-8d69-e23b23822095" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_58ce428c-d40d-4bdb-8f9f-feaed41e66c0" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityEmergingGrowthCompany_58ce428c-d40d-4bdb-8f9f-feaed41e66c0" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_6f0a102c-79ba-4252-9b7c-f851bd76c523" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityShellCompany_6f0a102c-79ba-4252-9b7c-f851bd76c523" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_c65b7f3e-556a-489f-a1f6-0b1dd1ea5a1e" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_c65b7f3e-556a-489f-a1f6-0b1dd1ea5a1e" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_b2f3770e-d534-48d1-9471-50900204fd82" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_f520df7a-1226-4ba1-bb17-7895b0fbdd5d" xlink:to="loc_dei_EntitiesTable_b2f3770e-d534-48d1-9471-50900204fd82" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_b2f3770e-d534-48d1-9471-50900204fd82" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5" xlink:to="loc_us-gaap_ClassOfStockDomain_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e5eb7f9b-4bdc-4fe8-a158-13df17b83ad0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3b845346-eeeb-4f0d-bf4f-0e3ca72138e5" xlink:to="loc_us-gaap_ClassOfStockDomain_e5eb7f9b-4bdc-4fe8-a158-13df17b83ad0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_40617054-1776-494b-a8f0-a3b288c28ede" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e5eb7f9b-4bdc-4fe8-a158-13df17b83ad0" xlink:to="loc_us-gaap_CommonClassAMember_40617054-1776-494b-a8f0-a3b288c28ede" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_98d29948-048c-4f26-bfde-d1ac633e1dcb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e5eb7f9b-4bdc-4fe8-a158-13df17b83ad0" xlink:to="loc_us-gaap_CommonClassBMember_98d29948-048c-4f26-bfde-d1ac633e1dcb" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="chtr-20210331.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended" id="i1519b35bbe1f4519b1f59515a679a596_CONSOLIDATEDBALANCESHEETS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_8fb3221b-f0bc-4100-a300-31cec4c26b45" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_31e7317a-c01d-41de-84a6-d9b86ff41998" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8fb3221b-f0bc-4100-a300-31cec4c26b45" xlink:to="loc_us-gaap_CommonStockValue_31e7317a-c01d-41de-84a6-d9b86ff41998" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_728e4560-efa7-44d2-ba26-921a0fe2955b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_8fb3221b-f0bc-4100-a300-31cec4c26b45" xlink:to="loc_us-gaap_StatementTable_728e4560-efa7-44d2-ba26-921a0fe2955b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_265e5f78-3b43-4345-bb4e-e25f5e3af65d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_728e4560-efa7-44d2-ba26-921a0fe2955b" xlink:to="loc_us-gaap_StatementClassOfStockAxis_265e5f78-3b43-4345-bb4e-e25f5e3af65d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_265e5f78-3b43-4345-bb4e-e25f5e3af65d_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_265e5f78-3b43-4345-bb4e-e25f5e3af65d" xlink:to="loc_us-gaap_ClassOfStockDomain_265e5f78-3b43-4345-bb4e-e25f5e3af65d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5bc0067c-bae9-4035-a83f-15f2256f8b05" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_265e5f78-3b43-4345-bb4e-e25f5e3af65d" xlink:to="loc_us-gaap_ClassOfStockDomain_5bc0067c-bae9-4035-a83f-15f2256f8b05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_50437156-ee1d-4b83-a6b2-dc588ed51421" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5bc0067c-bae9-4035-a83f-15f2256f8b05" xlink:to="loc_us-gaap_CommonClassAMember_50437156-ee1d-4b83-a6b2-dc588ed51421" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_698f45d3-d542-4625-a593-c00844d6727d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_5bc0067c-bae9-4035-a83f-15f2256f8b05" xlink:to="loc_us-gaap_CommonClassBMember_698f45d3-d542-4625-a593-c00844d6727d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/CONSOLIDATEDBALANCESHEETPARENTHETICALS" xlink:type="simple" xlink:href="chtr-20210331.xsd#CONSOLIDATEDBALANCESHEETPARENTHETICALS"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CONSOLIDATEDBALANCESHEETPARENTHETICALS" xlink:type="extended" id="i641a7db0df3d428c9f35c839d24afa94_CONSOLIDATEDBALANCESHEETPARENTHETICALS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_6cc2ea37-2c20-46ac-9e20-dbfbc70c3aea" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_6cc2ea37-2c20-46ac-9e20-dbfbc70c3aea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_803d096a-8170-4f7f-b4b8-565c669ee58c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_803d096a-8170-4f7f-b4b8-565c669ee58c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_3dcd0803-7d76-4427-8971-2645c87eeeaf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_CommonStockSharesIssued_3dcd0803-7d76-4427-8971-2645c87eeeaf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_e60cdd0c-e2b3-4b5a-94ec-55089884c01e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_e60cdd0c-e2b3-4b5a-94ec-55089884c01e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_60c50ebd-e886-4982-a590-598c438888d5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_60c50ebd-e886-4982-a590-598c438888d5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_ad07b512-5922-4166-b247-9f23ca670598" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_ad07b512-5922-4166-b247-9f23ca670598" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_547234c6-fbf4-4952-a409-a3847f0beab3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_PreferredStockSharesIssued_547234c6-fbf4-4952-a409-a3847f0beab3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_12e0fe57-6317-4312-abb8-0b5ba89d92a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_12e0fe57-6317-4312-abb8-0b5ba89d92a2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_de50469b-20bf-4025-9e57-5180667447f5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_TreasuryStockShares_de50469b-20bf-4025-9e57-5180667447f5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c815ddf1-461d-422d-afdb-e74ce0cf29b5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_f9da86ba-5056-467b-96b8-c2932ae4bd5a" xlink:to="loc_us-gaap_StatementTable_c815ddf1-461d-422d-afdb-e74ce0cf29b5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_1726b9c7-6324-454f-8648-6a7687a5f77d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_c815ddf1-461d-422d-afdb-e74ce0cf29b5" xlink:to="loc_us-gaap_StatementClassOfStockAxis_1726b9c7-6324-454f-8648-6a7687a5f77d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1726b9c7-6324-454f-8648-6a7687a5f77d_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_1726b9c7-6324-454f-8648-6a7687a5f77d" xlink:to="loc_us-gaap_ClassOfStockDomain_1726b9c7-6324-454f-8648-6a7687a5f77d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_d4e963b0-d875-46e8-ab39-979af85be8e6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_1726b9c7-6324-454f-8648-6a7687a5f77d" xlink:to="loc_us-gaap_ClassOfStockDomain_d4e963b0-d875-46e8-ab39-979af85be8e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_515136af-e060-43ac-9f07-04a33649a7c8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d4e963b0-d875-46e8-ab39-979af85be8e6" xlink:to="loc_us-gaap_CommonClassAMember_515136af-e060-43ac-9f07-04a33649a7c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_147030fe-5bc3-4415-9de5-20bb0edc1aba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d4e963b0-d875-46e8-ab39-979af85be8e6" xlink:to="loc_us-gaap_CommonClassBMember_147030fe-5bc3-4415-9de5-20bb0edc1aba" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="chtr-20210331.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended" id="i5eecbcf8866a4199a0447009d2b83122_CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:roleRef roleURI="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITY" xlink:type="simple" xlink:href="chtr-20210331.xsd#CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITY" xlink:type="extended" id="iad221e87ab9248c296aaf1c439d6c65b_CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITY">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_e1b52e59-66d3-4cdb-8551-0d85c875eea9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e1b52e59-66d3-4cdb-8551-0d85c875eea9" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_009c9cee-21a8-41f3-a77a-3369fbc2a2d4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_009c9cee-21a8-41f3-a77a-3369fbc2a2d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_bec2b32e-319f-40ba-8698-aa6dc69c5650" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_ProfitLoss_bec2b32e-319f-40ba-8698-aa6dc69c5650" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_5232ebc7-6a23-4541-911c-780b7da0378f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_5232ebc7-6a23-4541-911c-780b7da0378f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_f1420bd5-d9c7-422b-b957-ba1f905ce5f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_f1420bd5-d9c7-422b-b957-ba1f905ce5f7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_78ea8dfd-d63c-41ad-b34e-41351e50322b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_78ea8dfd-d63c-41ad-b34e-41351e50322b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_00289ec0-c8f2-4575-99bb-92699b70c4a6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_00289ec0-c8f2-4575-99bb-92699b70c4a6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_eae3a69e-a262-4f12-afa8-bee14da51144" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_eae3a69e-a262-4f12-afa8-bee14da51144" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership_cbb98640-e5ca-44e5-b6ee-fcd7ee95a60b" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership_cbb98640-e5ca-44e5-b6ee-fcd7ee95a60b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_e507e96d-0e78-4721-9e23-bac72eb555a9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_008d98a6-0c2f-4644-af2d-c026bdd4eca9" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_e507e96d-0e78-4721-9e23-bac72eb555a9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3deedbdd-6e6e-4e8b-a0b1-a21d03a73890" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_ca4d655f-4546-42cc-8e23-c366e4603486" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_e1b52e59-66d3-4cdb-8551-0d85c875eea9" xlink:to="loc_us-gaap_StatementTable_ca4d655f-4546-42cc-8e23-c366e4603486" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_f8751853-9d4e-4017-9dc6-94c8800e56a3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ca4d655f-4546-42cc-8e23-c366e4603486" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_f8751853-9d4e-4017-9dc6-94c8800e56a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f8751853-9d4e-4017-9dc6-94c8800e56a3_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f8751853-9d4e-4017-9dc6-94c8800e56a3" xlink:to="loc_us-gaap_EquityComponentDomain_f8751853-9d4e-4017-9dc6-94c8800e56a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f8751853-9d4e-4017-9dc6-94c8800e56a3" xlink:to="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_1d8039ca-13cf-4c9b-a040-f734a3db19bc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_CommonStockMember_1d8039ca-13cf-4c9b-a040-f734a3db19bc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_8bc5a203-862e-42b5-9866-2884fe6402a1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_8bc5a203-862e-42b5-9866-2884fe6402a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_0f1a1e27-1742-465a-894b-69c862717e64" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_RetainedEarningsMember_0f1a1e27-1742-465a-894b-69c862717e64" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_8a59e19b-b040-49b5-9aa5-22bd03fa9126" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_TreasuryStockMember_8a59e19b-b040-49b5-9aa5-22bd03fa9126" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_f9bcfe73-d74c-43ac-ac0a-f46a4db41fce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_ParentMember_f9bcfe73-d74c-43ac-ac0a-f46a4db41fce" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_101d7d54-7ca5-4aba-aa1b-e71d1fec8adb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fdf71c0d-0dfb-43b6-9cfa-cef9f06e50a5" xlink:to="loc_us-gaap_NoncontrollingInterestMember_101d7d54-7ca5-4aba-aa1b-e71d1fec8adb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3d996616-223b-4cf4-b2cb-44d4fb876e44" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ca4d655f-4546-42cc-8e23-c366e4603486" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3d996616-223b-4cf4-b2cb-44d4fb876e44" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_3d996616-223b-4cf4-b2cb-44d4fb876e44_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3d996616-223b-4cf4-b2cb-44d4fb876e44" xlink:to="loc_us-gaap_ClassOfStockDomain_3d996616-223b-4cf4-b2cb-44d4fb876e44_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_6ec41624-0019-4d46-8be9-ae5c26ab81ff" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3d996616-223b-4cf4-b2cb-44d4fb876e44" xlink:to="loc_us-gaap_ClassOfStockDomain_6ec41624-0019-4d46-8be9-ae5c26ab81ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_92af0786-a7a9-4e2a-a65d-749bc982152c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6ec41624-0019-4d46-8be9-ae5c26ab81ff" xlink:to="loc_us-gaap_CommonClassAMember_92af0786-a7a9-4e2a-a65d-749bc982152c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_0384c72a-1ded-4425-a6dd-ebab6576f12a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6ec41624-0019-4d46-8be9-ae5c26ab81ff" xlink:to="loc_us-gaap_CommonClassBMember_0384c72a-1ded-4425-a6dd-ebab6576f12a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="chtr-20210331.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended" id="i3f1aa6c2574e4c4a9b70d73dfe8f650d_CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:roleRef roleURI="http://www.charter.com/role/OrganizationandBasisofPresentationNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#OrganizationandBasisofPresentationNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OrganizationandBasisofPresentationNotes" xlink:type="extended" id="ib4e1d4bde822441dae4391cf470c4a5e_OrganizationandBasisofPresentationNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/OrganizationandBasisofPresentationDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#OrganizationandBasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OrganizationandBasisofPresentationDetails" xlink:type="extended" id="ia41eb7bfd3214708a5fd2c4ad0debca2_OrganizationandBasisofPresentationDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#FranchisesGoodwillandOtherIntangibleAssetsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsNotes" xlink:type="extended" id="i187e281f19d74b71ae8e9fb079cee768_FranchisesGoodwillandOtherIntangibleAssetsNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#FranchisesGoodwillandOtherIntangibleAssetsTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsTables" xlink:type="extended" id="idec0f43bfb1a4544963e731739126a25_FranchisesGoodwillandOtherIntangibleAssetsTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#FranchisesGoodwillandOtherIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FranchisesGoodwillandOtherIntangibleAssetsDetails" xlink:type="extended" id="ica8bf34515a34a519d06bf95388c2b4d_FranchisesGoodwillandOtherIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_0cff852f-44b9-4406-ad81-6a9c992835ac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9abb29be-3a0b-402f-9b44-4d704a11a76e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_0cff852f-44b9-4406-ad81-6a9c992835ac" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9abb29be-3a0b-402f-9b44-4d704a11a76e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5032a94e-7d31-4a01-a8e9-a994e5d2aa64" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_0cff852f-44b9-4406-ad81-6a9c992835ac" xlink:to="loc_us-gaap_Goodwill_5032a94e-7d31-4a01-a8e9-a994e5d2aa64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_IndefiniteLivedIntangibleAssetsIncludingGoodwill_ec285766-5e13-4b2d-9a97-c9f424d6ad13" xlink:href="chtr-20210331.xsd#chtr_IndefiniteLivedIntangibleAssetsIncludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_0cff852f-44b9-4406-ad81-6a9c992835ac" xlink:to="loc_chtr_IndefiniteLivedIntangibleAssetsIncludingGoodwill_ec285766-5e13-4b2d-9a97-c9f424d6ad13" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_97776f94-ed0c-4691-8b6d-9c167ebe626b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_0cff852f-44b9-4406-ad81-6a9c992835ac" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_97776f94-ed0c-4691-8b6d-9c167ebe626b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_3be0a2f4-e018-48d5-8b89-95ab51f1f703" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_97776f94-ed0c-4691-8b6d-9c167ebe626b" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_3be0a2f4-e018-48d5-8b89-95ab51f1f703" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3be0a2f4-e018-48d5-8b89-95ab51f1f703_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_3be0a2f4-e018-48d5-8b89-95ab51f1f703" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3be0a2f4-e018-48d5-8b89-95ab51f1f703_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3bd92df0-5e68-4f0d-99e1-e3ab2114bfbc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_3be0a2f4-e018-48d5-8b89-95ab51f1f703" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3bd92df0-5e68-4f0d-99e1-e3ab2114bfbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FranchiseRightsMember_e87b902a-0b77-48f3-8b4e-6b19972d1707" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FranchiseRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3bd92df0-5e68-4f0d-99e1-e3ab2114bfbc" xlink:to="loc_us-gaap_FranchiseRightsMember_e87b902a-0b77-48f3-8b4e-6b19972d1707" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_62a4e31b-df99-4e49-9f3c-0f205add083e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3bd92df0-5e68-4f0d-99e1-e3ab2114bfbc" xlink:to="loc_us-gaap_LicensingAgreementsMember_62a4e31b-df99-4e49-9f3c-0f205add083e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_53bbb576-145c-4402-8d55-cebfa8b36807" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_3bd92df0-5e68-4f0d-99e1-e3ab2114bfbc" xlink:to="loc_us-gaap_TrademarksMember_53bbb576-145c-4402-8d55-cebfa8b36807" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_4347d44f-2dc5-426b-bfb2-9c52016bc9a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_4347d44f-2dc5-426b-bfb2-9c52016bc9a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2e2dd7e0-9764-495b-83b9-e2674e50f345" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_2e2dd7e0-9764-495b-83b9-e2674e50f345" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0ae453f5-79e1-4098-a0af-febf512a8bb0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0ae453f5-79e1-4098-a0af-febf512a8bb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_23884a7c-14a3-47bf-9502-7fc16d40a9ad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_23884a7c-14a3-47bf-9502-7fc16d40a9ad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_ae6f74af-12b0-4ece-a658-3178e08017ad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_ae6f74af-12b0-4ece-a658-3178e08017ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_907b3306-7180-4f74-a261-dcf45d07a6d3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_907b3306-7180-4f74-a261-dcf45d07a6d3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_c9e1a53c-b6a2-4d2b-b12b-14bc65ae569d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_c9e1a53c-b6a2-4d2b-b12b-14bc65ae569d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_f0be77e3-7e4c-4b58-9451-7ff599e47980" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_f0be77e3-7e4c-4b58-9451-7ff599e47980" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_75e92352-6ac0-4982-9014-25dda3c36e28" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_75e92352-6ac0-4982-9014-25dda3c36e28" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_d3e575cd-c73a-4755-8306-90f7e8e9ba29" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_d3e575cd-c73a-4755-8306-90f7e8e9ba29" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_12b757e2-2eb1-4d1c-9ad9-790188311eb4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7e18cc1c-8b5a-4f75-bd43-73c1dab5ab86" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_12b757e2-2eb1-4d1c-9ad9-790188311eb4" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_840fa965-f42c-440a-9be3-a2f48bcfabd7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_12b757e2-2eb1-4d1c-9ad9-790188311eb4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_840fa965-f42c-440a-9be3-a2f48bcfabd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_840fa965-f42c-440a-9be3-a2f48bcfabd7_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_840fa965-f42c-440a-9be3-a2f48bcfabd7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_840fa965-f42c-440a-9be3-a2f48bcfabd7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d4dc34b5-0e96-450d-bf1d-0eae96f3771f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_840fa965-f42c-440a-9be3-a2f48bcfabd7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d4dc34b5-0e96-450d-bf1d-0eae96f3771f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_36d3f812-59bc-48c1-b74a-94711cc16f6b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d4dc34b5-0e96-450d-bf1d-0eae96f3771f" xlink:to="loc_us-gaap_CustomerRelationshipsMember_36d3f812-59bc-48c1-b74a-94711cc16f6b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_e2c19d78-9986-4c9b-a783-b5c0b7b7d2d4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d4dc34b5-0e96-450d-bf1d-0eae96f3771f" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_e2c19d78-9986-4c9b-a783-b5c0b7b7d2d4" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/InvestmentsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#InvestmentsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/InvestmentsNotes" xlink:type="extended" id="id600c90eb5d2432895df960630e2557b_InvestmentsNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/InvestmentsTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#InvestmentsTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/InvestmentsTables" xlink:type="extended" id="i407786293a9440a6a9642171546089b9_InvestmentsTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/InvestmentsDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#InvestmentsDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/InvestmentsDetails" xlink:type="extended" id="i0e3c33a9fb9242c29bf77ad17c8ed083_InvestmentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_c545145a-3e97-4689-bef4-3ef2540ffa94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_c545145a-3e97-4689-bef4-3ef2540ffa94" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_49f74300-0736-4a51-9ef1-f31af97d9527" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_AssetsCurrent_49f74300-0736-4a51-9ef1-f31af97d9527" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_3cade491-f8f7-44dc-8665-38f0edae28fa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_3cade491-f8f7-44dc-8665-38f0edae28fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_d594680d-d626-4b98-a45b-764659b8ddc5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_d594680d-d626-4b98-a45b-764659b8ddc5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_fb18d60a-8c38-4126-99cb-e48f7214c917" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_fb18d60a-8c38-4126-99cb-e48f7214c917" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3ee345b3-df7d-455d-8ede-578d00f47d7d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_9dc8e3f6-f9ca-426e-a749-54352df6ef1d" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3ee345b3-df7d-455d-8ede-578d00f47d7d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_783ea3ec-4b19-4b66-a981-672a46210fe5" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3ee345b3-df7d-455d-8ede-578d00f47d7d" xlink:to="loc_srt_ConsolidatedEntitiesAxis_783ea3ec-4b19-4b66-a981-672a46210fe5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_783ea3ec-4b19-4b66-a981-672a46210fe5_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_783ea3ec-4b19-4b66-a981-672a46210fe5" xlink:to="loc_srt_ConsolidatedEntitiesDomain_783ea3ec-4b19-4b66-a981-672a46210fe5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_6d4855da-fff2-4ae1-bc88-feac02526c30" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_783ea3ec-4b19-4b66-a981-672a46210fe5" xlink:to="loc_srt_ConsolidatedEntitiesDomain_6d4855da-fff2-4ae1-bc88-feac02526c30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_1048fbad-0445-4087-8f95-d5753d741871" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_6d4855da-fff2-4ae1-bc88-feac02526c30" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_1048fbad-0445-4087-8f95-d5753d741871" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4bcee401-9d57-4723-b7d1-9ca9dfc8684b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_3ee345b3-df7d-455d-8ede-578d00f47d7d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4bcee401-9d57-4723-b7d1-9ca9dfc8684b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4bcee401-9d57-4723-b7d1-9ca9dfc8684b_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4bcee401-9d57-4723-b7d1-9ca9dfc8684b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4bcee401-9d57-4723-b7d1-9ca9dfc8684b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_6501c946-9900-4f0b-b939-325c4a58d67c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4bcee401-9d57-4723-b7d1-9ca9dfc8684b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_6501c946-9900-4f0b-b939-325c4a58d67c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_86fb1baa-951c-4eb7-b445-96e08a5c770f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6501c946-9900-4f0b-b939-325c4a58d67c" xlink:to="loc_us-gaap_MortgagesMember_86fb1baa-951c-4eb7-b445-96e08a5c770f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountsPayableandAccruedLiabilitiesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesNotes" xlink:type="extended" id="i59637c8626cc44a5862b357a2245c1fe_AccountsPayableandAccruedLiabilitiesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountsPayableandAccruedLiabilitiesTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesTables" xlink:type="extended" id="i6a9d3eb40e9b404eac7feb2eb34053ea_AccountsPayableandAccruedLiabilitiesTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountsPayableandAccruedLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountsPayableandAccruedLiabilitiesDetails" xlink:type="extended" id="i26efd07c260944a496e16153a5c9755f_AccountsPayableandAccruedLiabilitiesDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/LeasesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#LeasesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LeasesNotes" xlink:type="extended" id="iac779e280ee246429f6f05eaa39b9593_LeasesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/LeasesTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#LeasesTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LeasesTables" xlink:type="extended" id="i96f190046c6d4511aa0745f503fb3abc_LeasesTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/LeasesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#LeasesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LeasesDetails" xlink:type="extended" id="i1e47dfa937364970ba3719bc61881d82_LeasesDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/LongTermDebtNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#LongTermDebtNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LongTermDebtNotes" xlink:type="extended" id="iaff6fa4a4aaa4fb7a97bffdb4dedea56_LongTermDebtNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/LongTermDebtTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#LongTermDebtTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LongTermDebtTables" xlink:type="extended" id="i44dc240aabdb43e0a70f8d514ad1244a_LongTermDebtTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/LongTermDebtDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#LongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/LongTermDebtDetails" xlink:type="extended" id="i2f4a83d24be3470a88f106eb5d18c575_LongTermDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_050daebb-8e48-425f-9d90-d0f6ad68d3ec" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_050daebb-8e48-425f-9d90-d0f6ad68d3ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_73f0ef7e-259e-4759-85f1-d5b438eb573e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_LongTermDebt_73f0ef7e-259e-4759-85f1-d5b438eb573e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_DebtInstrumentFaceAmountCurrent_a67b29e1-87e7-484b-91a5-6c24539bb328" xlink:href="chtr-20210331.xsd#chtr_DebtInstrumentFaceAmountCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_chtr_DebtInstrumentFaceAmountCurrent_a67b29e1-87e7-484b-91a5-6c24539bb328" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_d115cdb7-b6cc-4508-87fc-6411f22cae58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_LongTermDebtCurrent_d115cdb7-b6cc-4508-87fc-6411f22cae58" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_DebtInstrumentFaceAmountNoncurrent_97b18c99-a4a6-4dec-9294-49a62a453abc" xlink:href="chtr-20210331.xsd#chtr_DebtInstrumentFaceAmountNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_chtr_DebtInstrumentFaceAmountNoncurrent_97b18c99-a4a6-4dec-9294-49a62a453abc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_c99a0ae2-483f-44c9-b87c-591b845d2f2e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_c99a0ae2-483f-44c9-b87c-591b845d2f2e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_623ea2fd-050c-458a-93e1-c901744bd045" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_623ea2fd-050c-458a-93e1-c901744bd045" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2471dafc-5073-49b6-b5ac-8cc52da8b98b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2471dafc-5073-49b6-b5ac-8cc52da8b98b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_DebtInstrumentIssuePricePercentage_8289ac42-acf3-492b-abc1-fc124351a1b7" xlink:href="chtr-20210331.xsd#chtr_DebtInstrumentIssuePricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_chtr_DebtInstrumentIssuePricePercentage_8289ac42-acf3-492b-abc1-fc124351a1b7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_ade6e6a2-e192-4ef0-8f1a-c24745589aa9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_ade6e6a2-e192-4ef0-8f1a-c24745589aa9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_8b35076a-d352-40ac-970d-586de32ecd3a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_8b35076a-d352-40ac-970d-586de32ecd3a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_c3e623ce-499f-4547-a4ab-3ac33d52fc2e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_c3e623ce-499f-4547-a4ab-3ac33d52fc2e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_DebtInstrumentPercentageOfPrincipalAmountThatMayBeRedeemed_d1f64911-1130-48bc-bd09-e8af462145fb" xlink:href="chtr-20210331.xsd#chtr_DebtInstrumentPercentageOfPrincipalAmountThatMayBeRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_chtr_DebtInstrumentPercentageOfPrincipalAmountThatMayBeRedeemed_d1f64911-1130-48bc-bd09-e8af462145fb" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_DebtInstrumentRedemptionPricePercentageChangeOfControlEvent_6251e700-0bdd-4c21-8e2d-0e8d098c970c" xlink:href="chtr-20210331.xsd#chtr_DebtInstrumentRedemptionPricePercentageChangeOfControlEvent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_chtr_DebtInstrumentRedemptionPricePercentageChangeOfControlEvent_6251e700-0bdd-4c21-8e2d-0e8d098c970c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_ae918d7f-7ae8-4c87-8c5f-74c9b45d6d68" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9c6c01e7-1a32-4463-874c-6597f66547bf" xlink:to="loc_us-gaap_DebtInstrumentTable_ae918d7f-7ae8-4c87-8c5f-74c9b45d6d68" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ae918d7f-7ae8-4c87-8c5f-74c9b45d6d68" xlink:to="loc_dei_LegalEntityAxis_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a_default" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a" xlink:to="loc_dei_EntityDomain_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_ae5f0b0d-b802-4d9c-b128-fc4e7e75a24a" xlink:to="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CcoHoldingsMember_b0a50f30-d114-4312-9224-ec4808746e7a" xlink:href="chtr-20210331.xsd#chtr_CcoHoldingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:to="loc_chtr_CcoHoldingsMember_b0a50f30-d114-4312-9224-ec4808746e7a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CharterOperatingMember_a4c16fbc-0a5e-4530-846e-48b7134c4e6b" xlink:href="chtr-20210331.xsd#chtr_CharterOperatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:to="loc_chtr_CharterOperatingMember_a4c16fbc-0a5e-4530-846e-48b7134c4e6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TimeWarnerCableLLCMember_798993f9-ccee-419a-bd74-252db56623af" xlink:href="chtr-20210331.xsd#chtr_TimeWarnerCableLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:to="loc_chtr_TimeWarnerCableLLCMember_798993f9-ccee-419a-bd74-252db56623af" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TimeWarnerCableEnterprisesLLCMember_b352a09c-a3a4-45f2-9792-a388511d4d78" xlink:href="chtr-20210331.xsd#chtr_TimeWarnerCableEnterprisesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c8391aaa-4588-4b15-a630-f24cd51a849b" xlink:to="loc_chtr_TimeWarnerCableEnterprisesLLCMember_b352a09c-a3a4-45f2-9792-a388511d4d78" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_8eb259c6-e2a9-4905-8204-771650e40005" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ae918d7f-7ae8-4c87-8c5f-74c9b45d6d68" xlink:to="loc_us-gaap_DebtInstrumentAxis_8eb259c6-e2a9-4905-8204-771650e40005" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8eb259c6-e2a9-4905-8204-771650e40005_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_8eb259c6-e2a9-4905-8204-771650e40005" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8eb259c6-e2a9-4905-8204-771650e40005_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_8eb259c6-e2a9-4905-8204-771650e40005" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.000SeniorNotesDueMarch12023Member_27e0589b-1b44-415d-98cc-804b67a34c97" xlink:href="chtr-20210331.xsd#chtr_A4.000SeniorNotesDueMarch12023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.000SeniorNotesDueMarch12023Member_27e0589b-1b44-415d-98cc-804b67a34c97" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.750SeniorNotesDueFebruary152026Member_063df890-7699-490a-b1bf-e5c42cbcb19c" xlink:href="chtr-20210331.xsd#chtr_A5.750SeniorNotesDueFebruary152026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.750SeniorNotesDueFebruary152026Member_063df890-7699-490a-b1bf-e5c42cbcb19c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.500SeniorNotesDueMay12026Member_27eb112d-ef6f-431e-9115-3b0b5734751f" xlink:href="chtr-20210331.xsd#chtr_A5.500SeniorNotesDueMay12026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.500SeniorNotesDueMay12026Member_27eb112d-ef6f-431e-9115-3b0b5734751f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.875seniornotesdueMay12027Member_6bd53855-ccf6-4505-ad4d-114a6afaf5e4" xlink:href="chtr-20210331.xsd#chtr_A5.875seniornotesdueMay12027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.875seniornotesdueMay12027Member_6bd53855-ccf6-4505-ad4d-114a6afaf5e4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.125SeniorNotesDueMay12027Member_7284f4fe-5aa4-4689-8beb-1dfbe1401bb3" xlink:href="chtr-20210331.xsd#chtr_A5.125SeniorNotesDueMay12027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.125SeniorNotesDueMay12027Member_7284f4fe-5aa4-4689-8beb-1dfbe1401bb3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.000SeniorNotesDueFebruary12028Member_8c06d754-fedd-445d-a88e-cb199b692621" xlink:href="chtr-20210331.xsd#chtr_A5.000SeniorNotesDueFebruary12028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.000SeniorNotesDueFebruary12028Member_8c06d754-fedd-445d-a88e-cb199b692621" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.375seniornotesdueJune12029Member_0f037a62-84c4-464c-bd7b-d166076f7ce9" xlink:href="chtr-20210331.xsd#chtr_A5.375seniornotesdueJune12029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.375seniornotesdueJune12029Member_0f037a62-84c4-464c-bd7b-d166076f7ce9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.750seniornotesdueMarch12030Member_20b142c6-2a87-4f62-8369-163a5137da24" xlink:href="chtr-20210331.xsd#chtr_A4.750seniornotesdueMarch12030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.750seniornotesdueMarch12030Member_20b142c6-2a87-4f62-8369-163a5137da24" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4500SeniorNotesDueAugust152030Member_fb408eb9-7661-461b-8a3e-e3ff6d66c353" xlink:href="chtr-20210331.xsd#chtr_A4500SeniorNotesDueAugust152030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4500SeniorNotesDueAugust152030Member_fb408eb9-7661-461b-8a3e-e3ff6d66c353" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4250SeniorNotesDueFebruary12031Member_d478e189-5bd1-4f2f-8ad4-6026494e1766" xlink:href="chtr-20210331.xsd#chtr_A4250SeniorNotesDueFebruary12031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4250SeniorNotesDueFebruary12031Member_d478e189-5bd1-4f2f-8ad4-6026494e1766" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4500SeniorNotesDueMay12032Member_413e5193-391f-4746-ba9f-02b46e9c04a1" xlink:href="chtr-20210331.xsd#chtr_A4500SeniorNotesDueMay12032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4500SeniorNotesDueMay12032Member_413e5193-391f-4746-ba9f-02b46e9c04a1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.464SeniorNotesDueJuly232022Member_247a0aee-f749-4905-be38-eb6242f5bd45" xlink:href="chtr-20210331.xsd#chtr_A4.464SeniorNotesDueJuly232022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.464SeniorNotesDueJuly232022Member_247a0aee-f749-4905-be38-eb6242f5bd45" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_SeniorFloatingRateNotesdueFebruary12024Member_8d45e3b5-0ef1-403d-9f08-044efab7e3c0" xlink:href="chtr-20210331.xsd#chtr_SeniorFloatingRateNotesdueFebruary12024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_SeniorFloatingRateNotesdueFebruary12024Member_8d45e3b5-0ef1-403d-9f08-044efab7e3c0" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.500SeniorNotesdueFebruary12024Member_09393ea8-add7-42d1-a706-d034117672d9" xlink:href="chtr-20210331.xsd#chtr_A4.500SeniorNotesdueFebruary12024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.500SeniorNotesdueFebruary12024Member_09393ea8-add7-42d1-a706-d034117672d9" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.908SeniorNotesDueJuly232025Member_439f5c32-be73-4cad-93f3-ad6a69167b4a" xlink:href="chtr-20210331.xsd#chtr_A4.908SeniorNotesDueJuly232025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.908SeniorNotesDueJuly232025Member_439f5c32-be73-4cad-93f3-ad6a69167b4a" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A3.750SeniorNotesDueFebruary152028Member_846dec96-13d3-4b50-8c35-ec295c120075" xlink:href="chtr-20210331.xsd#chtr_A3.750SeniorNotesDueFebruary152028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A3.750SeniorNotesDueFebruary152028Member_846dec96-13d3-4b50-8c35-ec295c120075" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.200SeniorNotesDueMarch152028Member_033aa064-4e2c-4c1b-a8b2-1422a98a7bf3" xlink:href="chtr-20210331.xsd#chtr_A4.200SeniorNotesDueMarch152028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.200SeniorNotesDueMarch152028Member_033aa064-4e2c-4c1b-a8b2-1422a98a7bf3" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.050SeniorNotesdueMarch302029Member_0f7e323c-41e7-47e3-94b7-109e35c894e9" xlink:href="chtr-20210331.xsd#chtr_A5.050SeniorNotesdueMarch302029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.050SeniorNotesdueMarch302029Member_0f7e323c-41e7-47e3-94b7-109e35c894e9" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A2800SeniorNotesDueApril12031Member_02792017-a4a0-40ef-8d7f-8736407306de" xlink:href="chtr-20210331.xsd#chtr_A2800SeniorNotesDueApril12031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A2800SeniorNotesDueApril12031Member_02792017-a4a0-40ef-8d7f-8736407306de" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A2300SeniorNotesDueFebruary12032Member_0e683de9-851f-408c-bd8e-bbc768b53950" xlink:href="chtr-20210331.xsd#chtr_A2300SeniorNotesDueFebruary12032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A2300SeniorNotesDueFebruary12032Member_0e683de9-851f-408c-bd8e-bbc768b53950" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A6.384SeniorNotesDueOctober232035Member_58478719-5520-44f1-a1cc-655026ca56ab" xlink:href="chtr-20210331.xsd#chtr_A6.384SeniorNotesDueOctober232035Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A6.384SeniorNotesDueOctober232035Member_58478719-5520-44f1-a1cc-655026ca56ab" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.375SeniorNotesdueApril12038Member_c931f06f-9824-4baf-b685-81bd06a6a455" xlink:href="chtr-20210331.xsd#chtr_A5.375SeniorNotesdueApril12038Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.375SeniorNotesdueApril12038Member_c931f06f-9824-4baf-b685-81bd06a6a455" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A3500SeniorNotesDueJune12041Member_ee08b657-7963-4b56-9de9-150a4aaa336d" xlink:href="chtr-20210331.xsd#chtr_A3500SeniorNotesDueJune12041Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A3500SeniorNotesDueJune12041Member_ee08b657-7963-4b56-9de9-150a4aaa336d" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A6.484SeniorNotesDueOctober232045Member_6998b3e2-3473-4b91-a769-f9d0c08c0478" xlink:href="chtr-20210331.xsd#chtr_A6.484SeniorNotesDueOctober232045Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A6.484SeniorNotesDueOctober232045Member_6998b3e2-3473-4b91-a769-f9d0c08c0478" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.375SeniorNotesDueMay12047Member_15ab5b8c-8523-48f2-a0b1-7d8a591c4ac3" xlink:href="chtr-20210331.xsd#chtr_A5.375SeniorNotesDueMay12047Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.375SeniorNotesDueMay12047Member_15ab5b8c-8523-48f2-a0b1-7d8a591c4ac3" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.750SeniorNotesdueApril12048Member_eeb989b8-ecd8-46c1-91d8-c8a69cdceac1" xlink:href="chtr-20210331.xsd#chtr_A5.750SeniorNotesdueApril12048Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.750SeniorNotesdueApril12048Member_eeb989b8-ecd8-46c1-91d8-c8a69cdceac1" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.125SeniorNotesdueJuly12049Member_c2a160a5-6e6b-45fb-ab34-174236ceafc3" xlink:href="chtr-20210331.xsd#chtr_A5.125SeniorNotesdueJuly12049Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.125SeniorNotesdueJuly12049Member_c2a160a5-6e6b-45fb-ab34-174236ceafc3" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.800seniornotesdueMarch12050Member_292327e5-9b51-40c6-8a98-b503642f613d" xlink:href="chtr-20210331.xsd#chtr_A4.800seniornotesdueMarch12050Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.800seniornotesdueMarch12050Member_292327e5-9b51-40c6-8a98-b503642f613d" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A3700SeniorNotesDueApril12051Member_2e037584-e0c0-4a47-ba8c-9f90cca2b77a" xlink:href="chtr-20210331.xsd#chtr_A3700SeniorNotesDueApril12051Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A3700SeniorNotesDueApril12051Member_2e037584-e0c0-4a47-ba8c-9f90cca2b77a" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A3900SeniorNotesDueJune12052Member_05c532cd-c9e3-41ca-a8f2-aa6d4c67b1b9" xlink:href="chtr-20210331.xsd#chtr_A3900SeniorNotesDueJune12052Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A3900SeniorNotesDueJune12052Member_05c532cd-c9e3-41ca-a8f2-aa6d4c67b1b9" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A6.834SeniorNotesDueOctober232055Member_b0fe8544-75e7-46a8-8e22-62fe2a293c32" xlink:href="chtr-20210331.xsd#chtr_A6.834SeniorNotesDueOctober232055Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A6.834SeniorNotesDueOctober232055Member_b0fe8544-75e7-46a8-8e22-62fe2a293c32" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A3850SeniorNotesDueApril12061Member_fbe1db54-552b-49e8-9670-a305da4df2da" xlink:href="chtr-20210331.xsd#chtr_A3850SeniorNotesDueApril12061Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A3850SeniorNotesDueApril12061Member_fbe1db54-552b-49e8-9670-a305da4df2da" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CreditFacilitiesMember_ebb3b42d-b981-4999-accc-42a82211d6a7" xlink:href="chtr-20210331.xsd#chtr_CreditFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_CreditFacilitiesMember_ebb3b42d-b981-4999-accc-42a82211d6a7" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.000SeniorNotesDueSeptember12021Member_2777c241-92fa-4457-a14f-f5e9f4f5917b" xlink:href="chtr-20210331.xsd#chtr_A4.000SeniorNotesDueSeptember12021Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.000SeniorNotesDueSeptember12021Member_2777c241-92fa-4457-a14f-f5e9f4f5917b" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.750SterlingSeniorNotesDueJune22031Member_d95146b3-bf04-4224-83ad-55612d76d942" xlink:href="chtr-20210331.xsd#chtr_A5.750SterlingSeniorNotesDueJune22031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.750SterlingSeniorNotesDueJune22031Member_d95146b3-bf04-4224-83ad-55612d76d942" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A6.550SeniorDebenturesDueMay12037Member_a94244ae-454d-403f-bfc9-46cdc7a1ebdb" xlink:href="chtr-20210331.xsd#chtr_A6.550SeniorDebenturesDueMay12037Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A6.550SeniorDebenturesDueMay12037Member_a94244ae-454d-403f-bfc9-46cdc7a1ebdb" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A7.300SeniorDebenturesDueJuly12038Member_ffec6e3b-fc68-44cb-97cc-9d2a32d1f500" xlink:href="chtr-20210331.xsd#chtr_A7.300SeniorDebenturesDueJuly12038Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A7.300SeniorDebenturesDueJuly12038Member_ffec6e3b-fc68-44cb-97cc-9d2a32d1f500" xlink:type="arc" order="36"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A6.750SeniorDebenturesDueJune152039Member_bcc71929-1d9e-48b0-82cf-4cfb7ecc6c34" xlink:href="chtr-20210331.xsd#chtr_A6.750SeniorDebenturesDueJune152039Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A6.750SeniorDebenturesDueJune152039Member_bcc71929-1d9e-48b0-82cf-4cfb7ecc6c34" xlink:type="arc" order="37"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.875SeniorDebenturesDueNovember152040Member_938bcc74-e032-4838-b588-90a08d05d038" xlink:href="chtr-20210331.xsd#chtr_A5.875SeniorDebenturesDueNovember152040Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.875SeniorDebenturesDueNovember152040Member_938bcc74-e032-4838-b588-90a08d05d038" xlink:type="arc" order="38"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.500SeniorDebenturesDueSeptember12041Member_b285d778-de31-4ef6-96b9-f883afb18063" xlink:href="chtr-20210331.xsd#chtr_A5.500SeniorDebenturesDueSeptember12041Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.500SeniorDebenturesDueSeptember12041Member_b285d778-de31-4ef6-96b9-f883afb18063" xlink:type="arc" order="39"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A5.250SterlingSeniorNotesDueJuly152042Member_16056bab-5f65-4eff-9315-a668ddc86194" xlink:href="chtr-20210331.xsd#chtr_A5.250SterlingSeniorNotesDueJuly152042Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A5.250SterlingSeniorNotesDueJuly152042Member_16056bab-5f65-4eff-9315-a668ddc86194" xlink:type="arc" order="40"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4.500SeniorDebenturesDueSeptember152042Member_889fac58-0a28-4261-85f9-274786ae26a2" xlink:href="chtr-20210331.xsd#chtr_A4.500SeniorDebenturesDueSeptember152042Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4.500SeniorDebenturesDueSeptember152042Member_889fac58-0a28-4261-85f9-274786ae26a2" xlink:type="arc" order="41"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A8.375SeniorDebenturesDueMarch152023Member_2edfb39c-c6ae-4585-b3e3-6ad82b7cea5e" xlink:href="chtr-20210331.xsd#chtr_A8.375SeniorDebenturesDueMarch152023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A8.375SeniorDebenturesDueMarch152023Member_2edfb39c-c6ae-4585-b3e3-6ad82b7cea5e" xlink:type="arc" order="42"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A8.375SeniorDebenturesDueJuly152033Member_428aee46-dfa3-4d29-b373-e50fe80586df" xlink:href="chtr-20210331.xsd#chtr_A8.375SeniorDebenturesDueJuly152033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A8.375SeniorDebenturesDueJuly152033Member_428aee46-dfa3-4d29-b373-e50fe80586df" xlink:type="arc" order="43"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_b93cdf16-d612-4adf-b376-1cbde48d0e34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_b93cdf16-d612-4adf-b376-1cbde48d0e34" xlink:type="arc" order="44"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Additional3850SeniorNotesDueApril12061Member_07bcd5ef-c070-491b-982e-bfb88c6dc4ce" xlink:href="chtr-20210331.xsd#chtr_Additional3850SeniorNotesDueApril12061Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_Additional3850SeniorNotesDueApril12061Member_07bcd5ef-c070-491b-982e-bfb88c6dc4ce" xlink:type="arc" order="45"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_A4500SeniorNotesDueJune12033Member_137f4567-c8a5-450e-a862-b1875c31947a" xlink:href="chtr-20210331.xsd#chtr_A4500SeniorNotesDueJune12033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d4e6b61d-7528-4174-90bd-02009f1f9582" xlink:to="loc_chtr_A4500SeniorNotesDueJune12033Member_137f4567-c8a5-450e-a862-b1875c31947a" xlink:type="arc" order="46"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_4a1b4bf6-7445-4b4c-8f73-33bbec83a582" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_ae918d7f-7ae8-4c87-8c5f-74c9b45d6d68" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_4a1b4bf6-7445-4b4c-8f73-33bbec83a582" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_4a1b4bf6-7445-4b4c-8f73-33bbec83a582_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_4a1b4bf6-7445-4b4c-8f73-33bbec83a582" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_4a1b4bf6-7445-4b4c-8f73-33bbec83a582_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_bd7ce9eb-a3db-4613-b7e7-ebe0f227a88b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_4a1b4bf6-7445-4b4c-8f73-33bbec83a582" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_bd7ce9eb-a3db-4613-b7e7-ebe0f227a88b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d072d5b1-b8e7-4670-ae6b-93619d6a9643" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_bd7ce9eb-a3db-4613-b7e7-ebe0f227a88b" xlink:to="loc_us-gaap_SubsequentEventMember_d072d5b1-b8e7-4670-ae6b-93619d6a9643" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/CommonStockNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#CommonStockNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CommonStockNotes" xlink:type="extended" id="i3b80943c5f454ed0aaa15f9a04f8be52_CommonStockNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/CommonStockTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#CommonStockTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CommonStockTables" xlink:type="extended" id="i3270c381334642dab720f15d45115b64_CommonStockTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/CommonStockDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#CommonStockDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/CommonStockDetails" xlink:type="extended" id="id1e0a57f8b7a4a4586e2186213191167_CommonStockDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_237f9f53-220e-497b-a726-fbb78a609aae" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_237f9f53-220e-497b-a726-fbb78a609aae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_659ada2a-9063-49ff-96ef-5667e3a4288a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_659ada2a-9063-49ff-96ef-5667e3a4288a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_fc57fd94-225f-42f4-9531-2f603a75c559" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_fc57fd94-225f-42f4-9531-2f603a75c559" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_e5b86d62-5ae3-48ae-8d8a-836fba2a4d19" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_e5b86d62-5ae3-48ae-8d8a-836fba2a4d19" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_3fa8448a-5f47-4166-9f96-c2e24edfe4fd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_3fa8448a-5f47-4166-9f96-c2e24edfe4fd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_648f2112-315f-485d-989b-cfdfac952d6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_648f2112-315f-485d-989b-cfdfac952d6f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_73bed2ad-f3f1-48fb-87ba-3ca8bc7c50ca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_09a2e1ae-36e1-479f-bb86-7987578386b3" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_73bed2ad-f3f1-48fb-87ba-3ca8bc7c50ca" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredAxis_63025165-a6b0-4798-8554-d9db4e0e4ca2" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_73bed2ad-f3f1-48fb-87ba-3ca8bc7c50ca" xlink:to="loc_chtr_TreasuryStockAcquiredAxis_63025165-a6b0-4798-8554-d9db4e0e4ca2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredDomain_63025165-a6b0-4798-8554-d9db4e0e4ca2_default" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_chtr_TreasuryStockAcquiredAxis_63025165-a6b0-4798-8554-d9db4e0e4ca2" xlink:to="loc_chtr_TreasuryStockAcquiredDomain_63025165-a6b0-4798-8554-d9db4e0e4ca2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredDomain_1300076a-659f-4ec7-87bf-ddf56a19b35c" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_chtr_TreasuryStockAcquiredAxis_63025165-a6b0-4798-8554-d9db4e0e4ca2" xlink:to="loc_chtr_TreasuryStockAcquiredDomain_1300076a-659f-4ec7-87bf-ddf56a19b35c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredSharesRepurchasedMember_d8c8faf5-6c55-4104-92b5-2c78c08e245c" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredSharesRepurchasedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_chtr_TreasuryStockAcquiredDomain_1300076a-659f-4ec7-87bf-ddf56a19b35c" xlink:to="loc_chtr_TreasuryStockAcquiredSharesRepurchasedMember_d8c8faf5-6c55-4104-92b5-2c78c08e245c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredSharesWithheldRestrictedStockAndRestrictedStockUnitVestingMember_00e0f9fb-dc37-4936-b100-f5938ac98241" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredSharesWithheldRestrictedStockAndRestrictedStockUnitVestingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_chtr_TreasuryStockAcquiredDomain_1300076a-659f-4ec7-87bf-ddf56a19b35c" xlink:to="loc_chtr_TreasuryStockAcquiredSharesWithheldRestrictedStockAndRestrictedStockUnitVestingMember_00e0f9fb-dc37-4936-b100-f5938ac98241" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_TreasuryStockAcquiredSharesWithheldStockOptionExerciseCostsMember_bc5e45aa-9d91-4e1c-89e1-7a7d42f7e6a6" xlink:href="chtr-20210331.xsd#chtr_TreasuryStockAcquiredSharesWithheldStockOptionExerciseCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_chtr_TreasuryStockAcquiredDomain_1300076a-659f-4ec7-87bf-ddf56a19b35c" xlink:to="loc_chtr_TreasuryStockAcquiredSharesWithheldStockOptionExerciseCostsMember_bc5e45aa-9d91-4e1c-89e1-7a7d42f7e6a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_7f81db14-507a-4f78-9228-92178609856d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_73bed2ad-f3f1-48fb-87ba-3ca8bc7c50ca" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_7f81db14-507a-4f78-9228-92178609856d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_7f81db14-507a-4f78-9228-92178609856d_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_7f81db14-507a-4f78-9228-92178609856d" xlink:to="loc_us-gaap_RelatedPartyDomain_7f81db14-507a-4f78-9228-92178609856d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b89d1877-30a3-4d3d-99d3-8d2265d66873" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_7f81db14-507a-4f78-9228-92178609856d" xlink:to="loc_us-gaap_RelatedPartyDomain_b89d1877-30a3-4d3d-99d3-8d2265d66873" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_LibertyBroadbandMember_52888011-d663-49ed-89cb-122446783147" xlink:href="chtr-20210331.xsd#chtr_LibertyBroadbandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_b89d1877-30a3-4d3d-99d3-8d2265d66873" xlink:to="loc_chtr_LibertyBroadbandMember_52888011-d663-49ed-89cb-122446783147" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ANMember_04d8fc3d-b2d2-455b-a832-26ed7172d900" xlink:href="chtr-20210331.xsd#chtr_ANMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_b89d1877-30a3-4d3d-99d3-8d2265d66873" xlink:to="loc_chtr_ANMember_04d8fc3d-b2d2-455b-a832-26ed7172d900" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_e1359bb1-0d67-4835-991e-b85d516e6151" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_73bed2ad-f3f1-48fb-87ba-3ca8bc7c50ca" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_e1359bb1-0d67-4835-991e-b85d516e6151" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_e1359bb1-0d67-4835-991e-b85d516e6151_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_e1359bb1-0d67-4835-991e-b85d516e6151" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_e1359bb1-0d67-4835-991e-b85d516e6151_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_e61e198c-809e-4590-b60c-3c982adece53" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_e1359bb1-0d67-4835-991e-b85d516e6151" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_e61e198c-809e-4590-b60c-3c982adece53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_59dd80fe-03e0-427e-be01-74f2362bc9b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_e61e198c-809e-4590-b60c-3c982adece53" xlink:to="loc_us-gaap_SubsequentEventMember_59dd80fe-03e0-427e-be01-74f2362bc9b3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/NoncontrollingInterestsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#NoncontrollingInterestsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/NoncontrollingInterestsNotes" xlink:type="extended" id="iee752d93017647b0953d8f853327fc8a_NoncontrollingInterestsNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/NoncontrollingInterestTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#NoncontrollingInterestTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/NoncontrollingInterestTables" xlink:type="extended" id="i86e6caa00a7a4fe6a46b80675f0e2272_NoncontrollingInterestTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/NoncontrollingInterestsDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#NoncontrollingInterestsDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/NoncontrollingInterestsDetails" xlink:type="extended" id="i391fe24f98584ccfbb6c2aaefc0cfb3a_NoncontrollingInterestsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_1dda444e-ceb5-4cae-a5bc-eaac6cf9b9dc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_1dda444e-ceb5-4cae-a5bc-eaac6cf9b9dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_a9e487a7-1dde-4876-9dec-1928753cce8e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_a9e487a7-1dde-4876-9dec-1928753cce8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_c041e270-8ec0-4415-a72b-a6d1251bb8ed" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_c041e270-8ec0-4415-a72b-a6d1251bb8ed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_281d5793-7bd1-4105-aa5f-7f6f68dc248e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_281d5793-7bd1-4105-aa5f-7f6f68dc248e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchased_f0d92249-dafe-4fe5-82b1-0e71fb507bd5" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchased_f0d92249-dafe-4fe5-82b1-0e71fb507bd5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchasedPricePerShare_bb2977d4-9144-4e1e-a3bd-0249badfed70" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchasedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_chtr_NoncontrollingInterestPurchaseofInterestsSharesPurchasedPricePerShare_bb2977d4-9144-4e1e-a3bd-0249badfed70" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_MinorityInterestDecreaseFromRedemptionsPurchasePrice_285488e4-15c4-429e-9f1f-dc6ddca3691a" xlink:href="chtr-20210331.xsd#chtr_MinorityInterestDecreaseFromRedemptionsPurchasePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_chtr_MinorityInterestDecreaseFromRedemptionsPurchasePrice_285488e4-15c4-429e-9f1f-dc6ddca3691a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_057d5558-e78f-43cc-9944-17e44bf6b756" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_057d5558-e78f-43cc-9944-17e44bf6b756" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Impactofnoncontrollinginterestpurchased_7af9b01b-bf27-4158-8634-7e3eb5abab48" xlink:href="chtr-20210331.xsd#chtr_Impactofnoncontrollinginterestpurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_chtr_Impactofnoncontrollinginterestpurchased_7af9b01b-bf27-4158-8634-7e3eb5abab48" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership_b56acc44-30b7-441c-8b7b-a855db6c00e8" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_chtr_NoncontrollingInterestIncreaseDecreaseFromChangesInSubsidiaryOwnership_b56acc44-30b7-441c-8b7b-a855db6c00e8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_dcf1305a-e0b3-4b1f-87f1-a71b5c1df59d" xlink:to="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_44043c51-9183-443d-b345-2377e9a4d528" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:to="loc_srt_RangeAxis_44043c51-9183-443d-b345-2377e9a4d528" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_44043c51-9183-443d-b345-2377e9a4d528_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_44043c51-9183-443d-b345-2377e9a4d528" xlink:to="loc_srt_RangeMember_44043c51-9183-443d-b345-2377e9a4d528_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c47dd54d-06a6-4a93-8cc6-4a92d6cba89d" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_44043c51-9183-443d-b345-2377e9a4d528" xlink:to="loc_srt_RangeMember_c47dd54d-06a6-4a93-8cc6-4a92d6cba89d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4b695a68-fcfd-4a88-94b1-6c5b8d545f14" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c47dd54d-06a6-4a93-8cc6-4a92d6cba89d" xlink:to="loc_srt_MaximumMember_4b695a68-fcfd-4a88-94b1-6c5b8d545f14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1119da55-afe5-4a38-b403-6212f3e754af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1119da55-afe5-4a38-b403-6212f3e754af" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1119da55-afe5-4a38-b403-6212f3e754af_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1119da55-afe5-4a38-b403-6212f3e754af" xlink:to="loc_us-gaap_EquityComponentDomain_1119da55-afe5-4a38-b403-6212f3e754af_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e8a453eb-ea7f-4719-9244-87c210d36301" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1119da55-afe5-4a38-b403-6212f3e754af" xlink:to="loc_us-gaap_EquityComponentDomain_e8a453eb-ea7f-4719-9244-87c210d36301" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_e1c4f63b-c4b6-4b71-b99a-99917bb5cf00" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e8a453eb-ea7f-4719-9244-87c210d36301" xlink:to="loc_us-gaap_NoncontrollingInterestMember_e1c4f63b-c4b6-4b71-b99a-99917bb5cf00" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_c471cdf9-49f0-473f-9718-9bf728b824ea" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e8a453eb-ea7f-4719-9244-87c210d36301" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_c471cdf9-49f0-473f-9718-9bf728b824ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestAxis_f8360ecd-9e09-4663-92e1-25293a16c89a" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:to="loc_chtr_NoncontrollingInterestAxis_f8360ecd-9e09-4663-92e1-25293a16c89a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestDomain_f8360ecd-9e09-4663-92e1-25293a16c89a_default" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_chtr_NoncontrollingInterestAxis_f8360ecd-9e09-4663-92e1-25293a16c89a" xlink:to="loc_chtr_NoncontrollingInterestDomain_f8360ecd-9e09-4663-92e1-25293a16c89a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_NoncontrollingInterestDomain_d65f82b4-0c5f-4876-9d45-6bdf7a672417" xlink:href="chtr-20210331.xsd#chtr_NoncontrollingInterestDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_chtr_NoncontrollingInterestAxis_f8360ecd-9e09-4663-92e1-25293a16c89a" xlink:to="loc_chtr_NoncontrollingInterestDomain_d65f82b4-0c5f-4876-9d45-6bdf7a672417" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CommonNoncontrollingInterestMember_ae034f3b-09bc-495e-b6ba-a84126c49f4d" xlink:href="chtr-20210331.xsd#chtr_CommonNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_chtr_NoncontrollingInterestDomain_d65f82b4-0c5f-4876-9d45-6bdf7a672417" xlink:to="loc_chtr_CommonNoncontrollingInterestMember_ae034f3b-09bc-495e-b6ba-a84126c49f4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_PreferredNoncontrollingInterestMember_dfc34775-cc05-4551-a5a3-cb897097168d" xlink:href="chtr-20210331.xsd#chtr_PreferredNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_chtr_NoncontrollingInterestDomain_d65f82b4-0c5f-4876-9d45-6bdf7a672417" xlink:to="loc_chtr_PreferredNoncontrollingInterestMember_dfc34775-cc05-4551-a5a3-cb897097168d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_d90821c9-dc4d-4307-a957-bcffba9d0abc" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_bca20662-079b-4387-b3ec-82fc6fe000e7" xlink:to="loc_srt_OwnershipAxis_d90821c9-dc4d-4307-a957-bcffba9d0abc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_d90821c9-dc4d-4307-a957-bcffba9d0abc_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_d90821c9-dc4d-4307-a957-bcffba9d0abc" xlink:to="loc_srt_OwnershipDomain_d90821c9-dc4d-4307-a957-bcffba9d0abc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_af575934-8280-402b-820c-18386e94446c" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_d90821c9-dc4d-4307-a957-bcffba9d0abc" xlink:to="loc_srt_OwnershipDomain_af575934-8280-402b-820c-18386e94446c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ANMember_ad093b71-95d5-4cce-a15e-72458f9190c5" xlink:href="chtr-20210331.xsd#chtr_ANMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_af575934-8280-402b-820c-18386e94446c" xlink:to="loc_chtr_ANMember_ad093b71-95d5-4cce-a15e-72458f9190c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CharterMember_60c5065c-a2b1-4a59-aacf-7b9140dfb366" xlink:href="chtr-20210331.xsd#chtr_CharterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_af575934-8280-402b-820c-18386e94446c" xlink:to="loc_chtr_CharterMember_60c5065c-a2b1-4a59-aacf-7b9140dfb366" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountingforDerivativeInstrumentsandHedgingActivitiesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesNotes" xlink:type="extended" id="i5ded11aea4bb46f6a61109463e7a45aa_AccountingforDerivativeInstrumentsandHedgingActivitiesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesPolicies" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountingforDerivativeInstrumentsandHedgingActivitiesPolicies"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesPolicies" xlink:type="extended" id="i2294660ebbae4061b442067646a40598_AccountingforDerivativeInstrumentsandHedgingActivitiesPolicies"/>
  <link:roleRef roleURI="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountingforDerivativeInstrumentsandHedgingActivitiesTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesTables" xlink:type="extended" id="i342fe5b328094268b1f119859c0f8515_AccountingforDerivativeInstrumentsandHedgingActivitiesTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#AccountingforDerivativeInstrumentsandHedgingActivitiesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/AccountingforDerivativeInstrumentsandHedgingActivitiesDetails" xlink:type="extended" id="i6654e817f76c43169bcfbe198312cef5_AccountingforDerivativeInstrumentsandHedgingActivitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_118c69cf-aa62-4f20-9877-14dd0c191f29" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_us-gaap_DerivativeNotionalAmount_118c69cf-aa62-4f20-9877-14dd0c191f29" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CollateralHolidayAgreementPercentage_3a76ac1a-3887-4dfc-95e0-ed9952a3d1c8" xlink:href="chtr-20210331.xsd#chtr_CollateralHolidayAgreementPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_CollateralHolidayAgreementPercentage_3a76ac1a-3887-4dfc-95e0-ed9952a3d1c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CollateralHolidayAgreementTerm_2ca6a544-3028-4669-8e96-167705522e08" xlink:href="chtr-20210331.xsd#chtr_CollateralHolidayAgreementTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_CollateralHolidayAgreementTerm_2ca6a544-3028-4669-8e96-167705522e08" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Collateralcapterm_431cf9c6-1fa5-4e4f-b6f4-021d31b4413a" xlink:href="chtr-20210331.xsd#chtr_Collateralcapterm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_Collateralcapterm_431cf9c6-1fa5-4e4f-b6f4-021d31b4413a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Collateralcappercentageofliabilitycovered_365b0d2a-5e8a-45f8-83ed-acd177d1ea92" xlink:href="chtr-20210331.xsd#chtr_Collateralcappercentageofliabilitycovered"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_Collateralcappercentageofliabilitycovered_365b0d2a-5e8a-45f8-83ed-acd177d1ea92" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Maximumamountofcollateralrequiredtobeposted_795a7725-a9b6-4a9b-abae-d733ff8bb0fd" xlink:href="chtr-20210331.xsd#chtr_Maximumamountofcollateralrequiredtobeposted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_Maximumamountofcollateralrequiredtobeposted_795a7725-a9b6-4a9b-abae-d733ff8bb0fd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CollateralHolidayAgreementPercentageExtendedToNovember2022_ae7274f2-3cf8-4498-91fd-78686daa93c5" xlink:href="chtr-20210331.xsd#chtr_CollateralHolidayAgreementPercentageExtendedToNovember2022"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_chtr_CollateralHolidayAgreementPercentageExtendedToNovember2022_ae7274f2-3cf8-4498-91fd-78686daa93c5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_b7996c41-69ae-4db9-ab6c-0cb882487805" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_us-gaap_DerivativeLiabilities_b7996c41-69ae-4db9-ab6c-0cb882487805" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_d67dcea3-3874-4edc-bcb3-a76b6c1e987d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_32cdc743-0bb8-426a-a84c-cf88ad55522e" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_d67dcea3-3874-4edc-bcb3-a76b6c1e987d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_286ec436-95b1-401b-b299-e8a504f6e654" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_d67dcea3-3874-4edc-bcb3-a76b6c1e987d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_286ec436-95b1-401b-b299-e8a504f6e654" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_286ec436-95b1-401b-b299-e8a504f6e654_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_286ec436-95b1-401b-b299-e8a504f6e654" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_286ec436-95b1-401b-b299-e8a504f6e654_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1873d361-60bb-4a0d-96f6-719f9517d384" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_286ec436-95b1-401b-b299-e8a504f6e654" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1873d361-60bb-4a0d-96f6-719f9517d384" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_1bd25ab5-2bd8-4e85-94bb-079af09fad00" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1873d361-60bb-4a0d-96f6-719f9517d384" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_1bd25ab5-2bd8-4e85-94bb-079af09fad00" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_31d27309-5b4b-4a18-a060-71c668d4b644" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_d67dcea3-3874-4edc-bcb3-a76b6c1e987d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_31d27309-5b4b-4a18-a060-71c668d4b644" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_31d27309-5b4b-4a18-a060-71c668d4b644_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_31d27309-5b4b-4a18-a060-71c668d4b644" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_31d27309-5b4b-4a18-a060-71c668d4b644_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_547fa43f-69d6-4e07-8475-e1199b8a7fd0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_31d27309-5b4b-4a18-a060-71c668d4b644" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_547fa43f-69d6-4e07-8475-e1199b8a7fd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_e9be09f5-80fe-46ef-88ae-09f9ae53a780" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_547fa43f-69d6-4e07-8475-e1199b8a7fd0" xlink:to="loc_us-gaap_CurrencySwapMember_e9be09f5-80fe-46ef-88ae-09f9ae53a780" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/FairValueMeasurementsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#FairValueMeasurementsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FairValueMeasurementsNotes" xlink:type="extended" id="if1b29e04fc544578a3b05bd53607c359_FairValueMeasurementsNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#FairValueMeasurementsTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FairValueMeasurementsTables" xlink:type="extended" id="ie371f7c7786a4accab3d5f0b283016a3_FairValueMeasurementsTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#FairValueMeasurementsDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/FairValueMeasurementsDetails" xlink:type="extended" id="i632d5d9ca2794a6197df3e3eb62a64aa_FairValueMeasurementsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ea7d0ba9-8a6d-46a1-a5e5-2626a926a5aa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_e86e1e5f-290e-400a-b9ff-f88ee698184e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ea7d0ba9-8a6d-46a1-a5e5-2626a926a5aa" xlink:to="loc_us-gaap_DerivativeLiabilities_e86e1e5f-290e-400a-b9ff-f88ee698184e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_a03f2b58-ba93-47f3-8f52-ff2f93e2ef7e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ea7d0ba9-8a6d-46a1-a5e5-2626a926a5aa" xlink:to="loc_us-gaap_LongTermDebt_a03f2b58-ba93-47f3-8f52-ff2f93e2ef7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_3d481736-58b6-4f28-a898-4b6d326ece26" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ea7d0ba9-8a6d-46a1-a5e5-2626a926a5aa" xlink:to="loc_us-gaap_LongTermDebtFairValue_3d481736-58b6-4f28-a898-4b6d326ece26" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_43bc92c1-07fd-4b21-bccf-910081e8b5db" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ea7d0ba9-8a6d-46a1-a5e5-2626a926a5aa" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_43bc92c1-07fd-4b21-bccf-910081e8b5db" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_079d2c34-fe1e-434f-80e1-cd6f82485648" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_43bc92c1-07fd-4b21-bccf-910081e8b5db" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_079d2c34-fe1e-434f-80e1-cd6f82485648" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_079d2c34-fe1e-434f-80e1-cd6f82485648_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_079d2c34-fe1e-434f-80e1-cd6f82485648" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_079d2c34-fe1e-434f-80e1-cd6f82485648_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_51a7c529-ea98-4903-8cb4-290202028d80" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_079d2c34-fe1e-434f-80e1-cd6f82485648" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_51a7c529-ea98-4903-8cb4-290202028d80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_d9473f6c-571b-4fff-a9e0-a7b29abfdb22" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_51a7c529-ea98-4903-8cb4-290202028d80" xlink:to="loc_us-gaap_CurrencySwapMember_d9473f6c-571b-4fff-a9e0-a7b29abfdb22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_43bc92c1-07fd-4b21-bccf-910081e8b5db" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6d0d49ca-dc64-4dea-8db3-529c125acffd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fcfa17b1-2e16-46ce-9b03-ec4cae7f7919" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6d0d49ca-dc64-4dea-8db3-529c125acffd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_82a37288-052e-434b-bfe3-b4e616242e10" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6d0d49ca-dc64-4dea-8db3-529c125acffd" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_82a37288-052e-434b-bfe3-b4e616242e10" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_c871ce4f-fe23-4299-a97d-5fea2e67e40b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6d0d49ca-dc64-4dea-8db3-529c125acffd" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_c871ce4f-fe23-4299-a97d-5fea2e67e40b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_9d145bcb-0cde-4d60-9454-b3e6f81a52d6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_43bc92c1-07fd-4b21-bccf-910081e8b5db" xlink:to="loc_us-gaap_DebtInstrumentAxis_9d145bcb-0cde-4d60-9454-b3e6f81a52d6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9d145bcb-0cde-4d60-9454-b3e6f81a52d6_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_9d145bcb-0cde-4d60-9454-b3e6f81a52d6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9d145bcb-0cde-4d60-9454-b3e6f81a52d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_569eb93e-a0b7-4e96-a59f-eed212c6eda2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_9d145bcb-0cde-4d60-9454-b3e6f81a52d6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_569eb93e-a0b7-4e96-a59f-eed212c6eda2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_SeniorNotesAndDebenturesMember_39cf074e-8cd5-4317-ae1c-a55c05ecd397" xlink:href="chtr-20210331.xsd#chtr_SeniorNotesAndDebenturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_569eb93e-a0b7-4e96-a59f-eed212c6eda2" xlink:to="loc_chtr_SeniorNotesAndDebenturesMember_39cf074e-8cd5-4317-ae1c-a55c05ecd397" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CreditFacilitiesMember_fddd9ffc-f370-4ae3-9784-95898080059c" xlink:href="chtr-20210331.xsd#chtr_CreditFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_569eb93e-a0b7-4e96-a59f-eed212c6eda2" xlink:to="loc_chtr_CreditFacilitiesMember_fddd9ffc-f370-4ae3-9784-95898080059c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a02434dd-2414-4024-9647-2818e297615f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_d9894f8d-2c51-479f-abf6-d2ed5e9aaef1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a02434dd-2414-4024-9647-2818e297615f" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_d9894f8d-2c51-479f-abf6-d2ed5e9aaef1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_39c9b960-3d7c-4493-96f0-1456b6b21221" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a02434dd-2414-4024-9647-2818e297615f" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_39c9b960-3d7c-4493-96f0-1456b6b21221" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8bbf13d7-4b3a-4db6-b68e-b68791813539" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a02434dd-2414-4024-9647-2818e297615f" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8bbf13d7-4b3a-4db6-b68e-b68791813539" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ac91aba1-c87a-4b1e-9097-79b08d984a3d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8bbf13d7-4b3a-4db6-b68e-b68791813539" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ac91aba1-c87a-4b1e-9097-79b08d984a3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_ac91aba1-c87a-4b1e-9097-79b08d984a3d_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ac91aba1-c87a-4b1e-9097-79b08d984a3d" xlink:to="loc_us-gaap_ReceivableTypeDomain_ac91aba1-c87a-4b1e-9097-79b08d984a3d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_ca9c549f-6ed5-4ee1-beeb-6e15f544a99f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_ac91aba1-c87a-4b1e-9097-79b08d984a3d" xlink:to="loc_us-gaap_ReceivableTypeDomain_ca9c549f-6ed5-4ee1-beeb-6e15f544a99f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_EquipmentInstallmentPlanReceivableMember_483bd1c8-e3ff-405c-8b32-d3ffbc6e1c62" xlink:href="chtr-20210331.xsd#chtr_EquipmentInstallmentPlanReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_ca9c549f-6ed5-4ee1-beeb-6e15f544a99f" xlink:to="loc_chtr_EquipmentInstallmentPlanReceivableMember_483bd1c8-e3ff-405c-8b32-d3ffbc6e1c62" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/RevenueNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#RevenueNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RevenueNotes" xlink:type="extended" id="id52a1411fceb40999f945787b126175e_RevenueNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/RevenueTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#RevenueTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RevenueTables" xlink:type="extended" id="i921f70727dc741c0b50f34075b62a7f9_RevenueTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/RevenueDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#RevenueDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RevenueDetails" xlink:type="extended" id="i2975acc4610b4bc3bcbc93e4b238a6d4_RevenueDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductInformationLineItems_492b203b-5932-4bc6-ae7a-f8799ee8699a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_1f0869b7-701c-4ed4-a118-8a80b85e51e2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_492b203b-5932-4bc6-ae7a-f8799ee8699a" xlink:to="loc_us-gaap_Revenues_1f0869b7-701c-4ed4-a118-8a80b85e51e2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductInformationTable_a82d825e-2f5e-4ae0-83b1-5fcb348af2d6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfProductInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductInformationLineItems_492b203b-5932-4bc6-ae7a-f8799ee8699a" xlink:to="loc_us-gaap_ScheduleOfProductInformationTable_a82d825e-2f5e-4ae0-83b1-5fcb348af2d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_a82d825e-2f5e-4ae0-83b1-5fcb348af2d6" xlink:to="loc_srt_ProductOrServiceAxis_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d" xlink:to="loc_srt_ProductsAndServicesDomain_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_eea2b0dc-0f6f-4cbd-af8a-e03fb0a7738d" xlink:to="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ResidentialInternetProductLineMember_964022ef-f777-4b7a-90b8-04d6e4cfb060" xlink:href="chtr-20210331.xsd#chtr_ResidentialInternetProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_ResidentialInternetProductLineMember_964022ef-f777-4b7a-90b8-04d6e4cfb060" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ResidentialVideoProductLineMember_f9916093-2bbe-43a1-9fcd-527af74c3de0" xlink:href="chtr-20210331.xsd#chtr_ResidentialVideoProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_ResidentialVideoProductLineMember_f9916093-2bbe-43a1-9fcd-527af74c3de0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ResidentialVoiceProductLineMember_d54b7027-bfc3-4c9b-82e5-99f9aefa3a01" xlink:href="chtr-20210331.xsd#chtr_ResidentialVoiceProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_ResidentialVoiceProductLineMember_d54b7027-bfc3-4c9b-82e5-99f9aefa3a01" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_ResidentialProductLineMember_119d068a-c354-4eef-bc20-6bb204319391" xlink:href="chtr-20210331.xsd#chtr_ResidentialProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_ResidentialProductLineMember_119d068a-c354-4eef-bc20-6bb204319391" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CommercialSmallandMediumBusinessProductLineMember_5fce6cf3-81dd-4fef-9c84-59b9095ef083" xlink:href="chtr-20210331.xsd#chtr_CommercialSmallandMediumBusinessProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_CommercialSmallandMediumBusinessProductLineMember_5fce6cf3-81dd-4fef-9c84-59b9095ef083" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CommercialEnterpriseProductLineMember_bed1397a-ec55-4e6e-88d5-f3e5a4ca931a" xlink:href="chtr-20210331.xsd#chtr_CommercialEnterpriseProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_CommercialEnterpriseProductLineMember_bed1397a-ec55-4e6e-88d5-f3e5a4ca931a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CommercialProductLineMember_41c4184e-e509-4f55-be37-211b0fe5bb59" xlink:href="chtr-20210331.xsd#chtr_CommercialProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_CommercialProductLineMember_41c4184e-e509-4f55-be37-211b0fe5bb59" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_AdvertisingsalesMember_d72df201-2451-496e-9880-b486eaca635d" xlink:href="chtr-20210331.xsd#chtr_AdvertisingsalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_AdvertisingsalesMember_d72df201-2451-496e-9880-b486eaca635d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_MobileMember_d7e0fb00-1dc3-4718-9c51-9d780c9c53ab" xlink:href="chtr-20210331.xsd#chtr_MobileMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_MobileMember_d7e0fb00-1dc3-4718-9c51-9d780c9c53ab" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_OtherServicesMember_f4f8bf7e-ea38-4975-bcc2-fbb825f37e0a" xlink:href="chtr-20210331.xsd#chtr_OtherServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_34131b96-17bd-47df-a76d-d40648d40554" xlink:to="loc_chtr_OtherServicesMember_f4f8bf7e-ea38-4975-bcc2-fbb825f37e0a" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/OperatingCostsandExpensesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#OperatingCostsandExpensesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OperatingCostsandExpensesNotes" xlink:type="extended" id="i97582b2bd7174b7a8f81f71e5f2beb28_OperatingCostsandExpensesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/OperatingCostsandExpensesTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#OperatingCostsandExpensesTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OperatingCostsandExpensesTables" xlink:type="extended" id="idd3eb938677d40038030dfd793f2a6a2_OperatingCostsandExpensesTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/OperatingCostsandExpensesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#OperatingCostsandExpensesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OperatingCostsandExpensesDetails" xlink:type="extended" id="i7e7c5a093f3344019e36ea40675ac0ae_OperatingCostsandExpensesDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherOperatingExpensesNetNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherOperatingExpensesNetNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherOperatingExpensesNetNotes" xlink:type="extended" id="i53127b0626fb4071b69a037f4631e5ef_OtherOperatingExpensesNetNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherOperatingExpensesNetTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherOperatingExpensesNetTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherOperatingExpensesNetTables" xlink:type="extended" id="i43a7ba27839c41d1a5ed1c5a943bfceb_OtherOperatingExpensesNetTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherOperatingExpensesNetDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherOperatingExpensesNetDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherOperatingExpensesNetDetails" xlink:type="extended" id="i82fcb1ba43c44065b8df5d13160c5482_OtherOperatingExpensesNetDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherIncomeExpensesNetNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherIncomeExpensesNetNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherIncomeExpensesNetNotes" xlink:type="extended" id="id87c43707d35483aa67debb386fa9126_OtherIncomeExpensesNetNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherIncomeExpensesNetTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherIncomeExpensesNetTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherIncomeExpensesNetTables" xlink:type="extended" id="idbd293f5b5fa44428605a774664595b7_OtherIncomeExpensesNetTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/OtherIncomeExpensesNetDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#OtherIncomeExpensesNetDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/OtherIncomeExpensesNetDetails" xlink:type="extended" id="iac9225c6116345f998e54710d2636ac8_OtherIncomeExpensesNetDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/StockCompensationPlansNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#StockCompensationPlansNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/StockCompensationPlansNotes" xlink:type="extended" id="ia6ccb76d977c4e95948b6f766c1f99fd_StockCompensationPlansNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/StockCompensationPlansTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#StockCompensationPlansTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/StockCompensationPlansTables" xlink:type="extended" id="ic5dcfae85cec488dbb921c06d6d9c2d3_StockCompensationPlansTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/StockCompensationPlansDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#StockCompensationPlansDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/StockCompensationPlansDetails" xlink:type="extended" id="i19f397b565394c429b5386514179a529_StockCompensationPlansDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3eca0610-7d72-4153-b332-26d2ad9850a3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_3eca0610-7d72-4153-b332-26d2ad9850a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ec161e4f-dfd9-408e-a95c-4986b984c6f2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ec161e4f-dfd9-408e-a95c-4986b984c6f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_58ace2e4-cf7d-47fe-8e42-97f99620ab34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_58ace2e4-cf7d-47fe-8e42-97f99620ab34" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_10606076-c62b-4318-bb21-4345a4700eb3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_10606076-c62b-4318-bb21-4345a4700eb3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_1f5174e1-b359-46e9-bcd5-4df9cbcaab18" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_1f5174e1-b359-46e9-bcd5-4df9cbcaab18" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_adc97e20-f3aa-4f97-982b-4289bd04f103" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_adc97e20-f3aa-4f97-982b-4289bd04f103" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_bb530161-6312-4da5-bca6-a8ce802b584a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_bb530161-6312-4da5-bca6-a8ce802b584a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4d941408-36d2-4793-96b7-f84ecf2b5e25" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_eaa24bbd-d18e-4d65-8559-77e0d05e40e8" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4d941408-36d2-4793-96b7-f84ecf2b5e25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b250602c-6ee1-4cef-8cf9-dc31fcb573ba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4d941408-36d2-4793-96b7-f84ecf2b5e25" xlink:to="loc_us-gaap_AwardTypeAxis_b250602c-6ee1-4cef-8cf9-dc31fcb573ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b250602c-6ee1-4cef-8cf9-dc31fcb573ba_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_b250602c-6ee1-4cef-8cf9-dc31fcb573ba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b250602c-6ee1-4cef-8cf9-dc31fcb573ba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c8e41b8f-1779-439c-ac1d-045d39cf04c0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_b250602c-6ee1-4cef-8cf9-dc31fcb573ba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c8e41b8f-1779-439c-ac1d-045d39cf04c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_751071a2-489a-4014-9e2d-9bfd123b84a6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c8e41b8f-1779-439c-ac1d-045d39cf04c0" xlink:to="loc_us-gaap_EmployeeStockOptionMember_751071a2-489a-4014-9e2d-9bfd123b84a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_1fc5e07f-4418-47ab-80eb-fcb0cada787f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c8e41b8f-1779-439c-ac1d-045d39cf04c0" xlink:to="loc_us-gaap_RestrictedStockMember_1fc5e07f-4418-47ab-80eb-fcb0cada787f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_896403c5-ca10-432c-aee9-9795dbc1ce74" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c8e41b8f-1779-439c-ac1d-045d39cf04c0" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_896403c5-ca10-432c-aee9-9795dbc1ce74" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/IncomeTaxesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#IncomeTaxesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/IncomeTaxesNotes" xlink:type="extended" id="i5e97b028fce14ea493dabc5bd267804d_IncomeTaxesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#IncomeTaxesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/IncomeTaxesDetails" xlink:type="extended" id="i85665175007845d681b022b0e1a2f2f0_IncomeTaxesDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/EarningsPerShareNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#EarningsPerShareNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EarningsPerShareNotes" xlink:type="extended" id="i4cb6d000828a4c8196dd352e770ccc37_EarningsPerShareNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#EarningsPerShareTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EarningsPerShareTables" xlink:type="extended" id="ibfcf301371764e0390251f6fd5293cbc_EarningsPerShareTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#EarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EarningsPerShareDetails" xlink:type="extended" id="i6aa76a31601f4cb99946fefdebb17edb_EarningsPerShareDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/ComprehensiveIncomeNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#ComprehensiveIncomeNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/ComprehensiveIncomeNotes" xlink:type="extended" id="i0a30f38324bf4f069431ee040661755c_ComprehensiveIncomeNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/RelatedPartyTransactionsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#RelatedPartyTransactionsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RelatedPartyTransactionsNotes" xlink:type="extended" id="i4d26640449d649d0a8cd774fa1e77f1b_RelatedPartyTransactionsNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/RelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#RelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" id="i7325067ec183411d85e1a18cad519ce3_RelatedPartyTransactionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_GregoryMaffeisVotingInterestInLibertyBroadband_94b0431c-ad0e-4301-9981-b9faceb05975" xlink:href="chtr-20210331.xsd#chtr_GregoryMaffeisVotingInterestInLibertyBroadband"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_GregoryMaffeisVotingInterestInLibertyBroadband_94b0431c-ad0e-4301-9981-b9faceb05975" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Dr.JohnMalonesvotinginterestinLibertyBroadband_618e1a46-5ac5-4666-8a90-65807d0e7473" xlink:href="chtr-20210331.xsd#chtr_Dr.JohnMalonesvotinginterestinLibertyBroadband"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_Dr.JohnMalonesvotinginterestinLibertyBroadband_618e1a46-5ac5-4666-8a90-65807d0e7473" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_GregoryMaffeisAMemberOfChartersBoardOfDirectorsVotingInterestInQurateRetailInc_24e75d6d-d174-444e-aee6-cf12890e6996" xlink:href="chtr-20210331.xsd#chtr_GregoryMaffeisAMemberOfChartersBoardOfDirectorsVotingInterestInQurateRetailInc"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_GregoryMaffeisAMemberOfChartersBoardOfDirectorsVotingInterestInQurateRetailInc_24e75d6d-d174-444e-aee6-cf12890e6996" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinQurateRetailInc._0a1e9ca4-1c2b-46a1-a351-097f0a23d939" xlink:href="chtr-20210331.xsd#chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinQurateRetailInc."/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinQurateRetailInc._0a1e9ca4-1c2b-46a1-a351-097f0a23d939" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_CashPaymentsReceivedFromHSNAndQVC_7bc25bfd-a288-4ae7-aa6c-93425fee3553" xlink:href="chtr-20210331.xsd#chtr_CashPaymentsReceivedFromHSNAndQVC"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_CashPaymentsReceivedFromHSNAndQVC_7bc25bfd-a288-4ae7-aa6c-93425fee3553" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsownershippercentageinDiscoveryCommunicationsInc._fef23ea5-379c-41e9-a72a-15874bc5c064" xlink:href="chtr-20210331.xsd#chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsownershippercentageinDiscoveryCommunicationsInc."/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsownershippercentageinDiscoveryCommunicationsInc._fef23ea5-379c-41e9-a72a-15874bc5c064" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors_899bd291-d64f-4053-bb05-2ef7e495f100" xlink:href="chtr-20210331.xsd#chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_Dr.JohnMalonesamemberofChartersboardofdirectorsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors_899bd291-d64f-4053-bb05-2ef7e495f100" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesAPreferredStock_25a1472c-fd7a-4efa-8b6f-e6a04d67942c" xlink:href="chtr-20210331.xsd#chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesAPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesAPreferredStock_25a1472c-fd7a-4efa-8b6f-e6a04d67942c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesCPreferredStock_4c0ec767-bbb1-4224-af0a-1fa073782854" xlink:href="chtr-20210331.xsd#chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesCPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_AdvanceNewhouseProgrammingPartnershipOwnershipPercentageInDiscoverySeriesCPreferredStock_4c0ec767-bbb1-4224-af0a-1fa073782854" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_AdvanceNewhouseProgrammingPartnershipsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors_93970043-8bde-49dd-a5ed-84aaae568435" xlink:href="chtr-20210331.xsd#chtr_AdvanceNewhouseProgrammingPartnershipsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_AdvanceNewhouseProgrammingPartnershipsvotinginterestinDiscoveryCommunicationsInc.forelectionofdirectors_93970043-8bde-49dd-a5ed-84aaae568435" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_PercentoftotaloperatingcostsandexpensespaidtoDiscoveryandStarz_443348c3-c22a-401a-9db6-59cff0202004" xlink:href="chtr-20210331.xsd#chtr_PercentoftotaloperatingcostsandexpensespaidtoDiscoveryandStarz"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_PercentoftotaloperatingcostsandexpensespaidtoDiscoveryandStarz_443348c3-c22a-401a-9db6-59cff0202004" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_chtr_PaymentsToRelatedParties_20a4062d-4bd1-42f1-b576-2db0865565fd" xlink:href="chtr-20210331.xsd#chtr_PaymentsToRelatedParties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_chtr_PaymentsToRelatedParties_20a4062d-4bd1-42f1-b576-2db0865565fd" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_60addda5-3dc5-460c-ba18-bca690dce94f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ee21d077-08a3-4b43-90ed-c648b82471a4" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_60addda5-3dc5-460c-ba18-bca690dce94f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_dcfe7132-4d72-491b-abe5-0cb476a35643" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_60addda5-3dc5-460c-ba18-bca690dce94f" xlink:to="loc_us-gaap_StatementClassOfStockAxis_dcfe7132-4d72-491b-abe5-0cb476a35643" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_dcfe7132-4d72-491b-abe5-0cb476a35643_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_dcfe7132-4d72-491b-abe5-0cb476a35643" xlink:to="loc_us-gaap_ClassOfStockDomain_dcfe7132-4d72-491b-abe5-0cb476a35643_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fc4202be-28cb-48c7-9460-d95042c68786" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_dcfe7132-4d72-491b-abe5-0cb476a35643" xlink:to="loc_us-gaap_ClassOfStockDomain_fc4202be-28cb-48c7-9460-d95042c68786" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_c3efbbc4-af35-437d-8d14-eb714c76edb1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc4202be-28cb-48c7-9460-d95042c68786" xlink:to="loc_us-gaap_CommonClassAMember_c3efbbc4-af35-437d-8d14-eb714c76edb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_b409131c-2544-4bef-b3b0-358e5ba7ee08" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc4202be-28cb-48c7-9460-d95042c68786" xlink:to="loc_us-gaap_CommonClassBMember_b409131c-2544-4bef-b3b0-358e5ba7ee08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassCMember_78b39113-7504-4142-8db2-fc7887ed68da" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc4202be-28cb-48c7-9460-d95042c68786" xlink:to="loc_us-gaap_CommonClassCMember_78b39113-7504-4142-8db2-fc7887ed68da" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8060c166-2e0a-4783-bf88-f65bcb7168da" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_60addda5-3dc5-460c-ba18-bca690dce94f" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8060c166-2e0a-4783-bf88-f65bcb7168da" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_8060c166-2e0a-4783-bf88-f65bcb7168da_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8060c166-2e0a-4783-bf88-f65bcb7168da" xlink:to="loc_us-gaap_RelatedPartyDomain_8060c166-2e0a-4783-bf88-f65bcb7168da_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_9be00c49-b96e-49e4-8c14-601c4af5a9e4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8060c166-2e0a-4783-bf88-f65bcb7168da" xlink:to="loc_us-gaap_RelatedPartyDomain_9be00c49-b96e-49e4-8c14-601c4af5a9e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvesteeMember_7b02a723-9cd2-4c4f-a583-d7959ed5150c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvesteeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_9be00c49-b96e-49e4-8c14-601c4af5a9e4" xlink:to="loc_us-gaap_EquityMethodInvesteeMember_7b02a723-9cd2-4c4f-a583-d7959ed5150c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_2314dc9c-0fa8-4910-9023-555ad129faf3" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_60addda5-3dc5-460c-ba18-bca690dce94f" xlink:to="loc_srt_RangeAxis_2314dc9c-0fa8-4910-9023-555ad129faf3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2314dc9c-0fa8-4910-9023-555ad129faf3_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_2314dc9c-0fa8-4910-9023-555ad129faf3" xlink:to="loc_srt_RangeMember_2314dc9c-0fa8-4910-9023-555ad129faf3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_e043dd44-bc50-4e9a-b819-79fb83ef2b94" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_2314dc9c-0fa8-4910-9023-555ad129faf3" xlink:to="loc_srt_RangeMember_e043dd44-bc50-4e9a-b819-79fb83ef2b94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4f29d9e5-881f-4d36-9896-6dfbabb8075d" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_e043dd44-bc50-4e9a-b819-79fb83ef2b94" xlink:to="loc_srt_MaximumMember_4f29d9e5-881f-4d36-9896-6dfbabb8075d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.charter.com/role/ContingenciesNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#ContingenciesNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/ContingenciesNotes" xlink:type="extended" id="i16de86b2221e43a0a64282dab819ff0c_ContingenciesNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/ContingenciesDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#ContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/ContingenciesDetails" xlink:type="extended" id="i99e212fa31ed437fb26e9eebb4b90f16_ContingenciesDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/EmployeeBenefitPlansNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#EmployeeBenefitPlansNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EmployeeBenefitPlansNotes" xlink:type="extended" id="i09dfaf722aac467581908a28d7e54c39_EmployeeBenefitPlansNotes"/>
  <link:roleRef roleURI="http://www.charter.com/role/EmployeeBenefitPlansTables" xlink:type="simple" xlink:href="chtr-20210331.xsd#EmployeeBenefitPlansTables"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EmployeeBenefitPlansTables" xlink:type="extended" id="i0aee61e188e04f24aca6fc80fe6bdb77_EmployeeBenefitPlansTables"/>
  <link:roleRef roleURI="http://www.charter.com/role/EmployeeBenefitPlansDetails" xlink:type="simple" xlink:href="chtr-20210331.xsd#EmployeeBenefitPlansDetails"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/EmployeeBenefitPlansDetails" xlink:type="extended" id="i8563d374018e4ed7830f48e97031a99d_EmployeeBenefitPlansDetails"/>
  <link:roleRef roleURI="http://www.charter.com/role/RecentlyIssuedAccountingStandardsNotes" xlink:type="simple" xlink:href="chtr-20210331.xsd#RecentlyIssuedAccountingStandardsNotes"/>
  <link:definitionLink xlink:role="http://www.charter.com/role/RecentlyIssuedAccountingStandardsNotes" xlink:type="extended" id="ifa6c446857834757b0a301da9b8045e2_RecentlyIssuedAccountingStandardsNotes"/>
</link:linkbase>
