Invalidate definition and meaning | Collins English Dictionary

To invalidate something such as an argument, conclusion, or result means to prove that it is wrong or cause it to be wrong. ... If something invalidates something ... EnglishDictionary Thesaurus WordLists Grammar EnglishEasyLearningGrammar GrammarPatterns EnglishUsage TeachingResources VideoGuides Conjugations Quiz Englishgrammar Englishcollocations Englishconfusables Englishidioms Englishusage Thematicwordlists English French German Italian Spanish Portuguese Hindi Chinese Definitionof 'invalidate'    WordFrequency Share× Credits× invalidate (ɪnvælɪdeɪt ) Wordforms:3rdpersonsingularpresent tenseinvalidates ,presentparticipleinvalidating ,pasttense,pastparticipleinvalidated 1. verb Toinvalidatesomethingsuchasanargument,conclusion,orresultmeanstoprovethatitiswrongorcauseittobewrong. Anyformofphysicalactivitywillinvalidatetheresults.[VERBnoun] Someoftheothercriticismswereinvalidatedyearsago.[VERBnoun] 2. verb Ifsomethinginvalidatessomethingsuchasalaw,contract,orelection,itcausesittobeconsideredillegal. Anofficialdecreeinvalidatedthevoteinthecapital.[VERBnoun] Acontractsignednowmightbeinvalidatedatsomefuturedate.[VERBnoun] Synonyms:nullify,cancel,annul,undermine MoreSynonymsofinvalidate MoreSynonymsofinvalidate COBUILDAdvancedEnglishDictionary.Copyright©HarperCollinsPublishers Video:pronunciationof invalidate Youmayalsolike EnglishQuizConfusables Synonymsof'invalidate' LanguageLover'sBlog FrenchTranslationof'invalidate' Translateyourtext PronunciationPlaylists Wordoftheday:'hygge' NEWfromCollins! EnglishGrammar CollinsApps WordFrequency invalidateinBritishEnglish (ɪnˈvælɪˌdeɪt ) verb(transitive)1. torenderweakorineffective,asanargument 2. totakeawaythelegalforceoreffectivenessof;annul,asacontract CollinsEnglishDictionary.Copyright©HarperCollinsPublishers Derivedformsinvalidation(inˌvaliˈdation)noun invalidator(inˈvaliˌdator)noun WordFrequency invalidateinAmericanEnglish (ɪnˈvæləˌdeɪt ) verbtransitiveWordforms:inˈvaliˌdatedorinˈvaliˌdating tomakeinvalid;depriveoflegalforce Webster’sNewWorldCollegeDictionary,4thEdition.Copyright©2010by HoughtonMifflinHarcourt.Allrightsreserved. Derivedformsinvalidation(inˌvaliˈdation) noun Wordorigininvalid2+-ate1 WordFrequency invalidateinAmericanEnglish (ɪnˈvælɪˌdeit) transitiveverbWordforms:-dated,-dating1. torenderinvalid;discredit 2. todepriveoflegalforceorefficacy;nullify Mostmaterial©2005,1997,1991byPenguinRandomHouseLLC.Modifiedentries©2019 byPenguinRandomHouseLLCandHarperCollinsPublishersLtd Derivedformsinvalidationnoun invalidatornoun Wordorigin[1640–50;invalid2+-ate1] Examplesof'invalidate'inasentence invalidate Theseexampleshavebeenautomaticallyselectedandmaycontainsensitivecontent.Readmore… Inabetterage,intheonewehopetobringabout,thatwouldofcourselegallyinvalidatethemarriage.FayWeldonTHEPRESIDENT'SCHILD(2003)Heknewtherewereotheraspectstotheproblem,butthesedidn'tinvalidatehispicture,theydeepenedit.RichardFrancisPROSPECTHILL(2003)Hespentthenexthourtryingtoinvalidatetheinsurancecoverbyinsistingthehousewasn'tfitorhabitabletobearesidenceprincipale.DexterPetleyWHITELIES(2003)"Webelievethereisfraud,butQualityInsurancedoesn'thavetoprovethatmuchtoinvalidatethepolicy.JamesGrippandoAKING'SRANSOM(2003) COBUILDCollocations invalidate  invalidatearesult Trendsof invalidate Viewusagefor: AllYears Last10years Last50years Last100years Last300years Browsealphabetically invalidate invalid invalidcar invalidchair invalidate invalidatearesult invalidhood invaliding AllENGLISHwordsthatbeginwith'I' Relatedtermsof invalidate invalidatearesult Source DefinitionofinvalidatefromtheCollinsEnglishDictionary NewfromCollins QuickwordchallengeQuizReviewQuestion:1 - Score:0/5 role or roll?Whichversioniscorrect?Bothsideshavearoletoplay.Bothsideshavearolltoplay.creak or creek?Whichversioniscorrect?Theywereleddownapathtoasmallcreak.Theywereleddownapathtoasmallcreek.advice or advise?Dragthecorrectanswerintothebox. advice adviseTakemy andstayawayfromhim!cue or queue?Whichversioniscorrect?Hewasninewhenhepickedupacueforthefirsttime.Hewasninewhenhepickedupaqueueforthefirsttime.paw or pour?Dragthecorrectanswerintothebox. paw pourHeremovesathornfromalion's .Yourscore:CheckSeetheanswerNextNextquizReview Dec08,2021 Wordoftheday hygge thepracticeofcreatingcosyandcongenialenvironmentsthatpromoteemotionalwellbeing SEEFULLDEFINITION SEEPREVIOUSWORDS Signupforournewsletter Getthelatestnewsandgainaccesstoexclusiveupdatesandoffers Signmeup LatestWordSubmissions petridish(sense) Nov29,2021 intergluteal Nov29,2021 HOGO Nov29,2021 Amazigh Nov29,2021 ViewMoreSubmit Omicron:Whatisit? InMay2021,theWorldHealthOrganisation(WHO)announcedthatCOVID-19variantswouldbelabelledusinglettersoftheGreekalphabet.Whyisthatanyway? Readmore CollinsWordoftheYear2021isNFT Theconvergenceofmoneyandtheinternetleadsusto2021’swordoftheyear:NFT.Anabbreviationthatstandsfor“non-fungibletoken”, Readmore BonfireorGuyFawkesNight Onthenightof4November1605GuyFawkes,aCatholic,wasdiscoveredinanundercroftoftheHouseofLordsguardingahoardofgunpowderintendedtoexplodethefollowingdayatthestateopeningofParliamentandtherebyassassinatetheProtestantKingJamesIandannihilatethegovernment. Readmore CollinsEnglishDictionaryApps DownloadourEnglishDictionaryapps-availableforbothiOSandAndroid. Readmore CollinsDictionariesforSchools Ournewonlinedictionariesforschoolsprovideasafeandappropriateenvironmentforchildren.Andbestofallit'sadfree,sosignupnowandstartusingathomeorintheclassroom. Readmore Wordlists Wehavealmost200listsofwordsfromtopicsasvariedastypesofbutterflies,jackets,currencies,vegetablesandknots! 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Readmore Scrabblescorefor'invalidate':14 QuickwordchallengeQuizReviewQuestion:1 - Score:0/5 plain or plane?Whichversioniscorrect?Aplaincarpetmakesaroomlookbigger.Aplanecarpetmakesaroomlookbigger.gait or gate?Dragthecorrectanswerintothebox. gate gaitHeopenedthe andstartedwalkinguptothehouse.their or they're?Dragthecorrectanswerintothebox. they're theirSomepeopleeatwhen feelinglow.morning or mourning?Whichversioniscorrect?OnSundaymorning,Billwaswokenbythetelephone.OnSundaymourning,Billwaswokenbythetelephone.currant or current?Dragthecorrectanswerintothebox. currant currentIofferedhima bunwithhistea.Yourscore:CheckSeetheanswerNextNextquizReview CreateanaccountandsignintoaccessthisFREEcontent Registernoworlogintoaccess LANGUAGE English EnglishDictionary Thesaurus WordLists Grammar EnglishEasyLearningGrammar GrammarPatterns EnglishUsage TeachingResources VideoGuides Conjugations Quiz Englishgrammar Englishcollocations Englishconfusables Englishidioms Englishusage Thematicwordlists French EnglishtoFrench FrenchtoEnglish Grammar Conjugations Quiz German EnglishtoGerman GermantoEnglish Grammar Conjugations Quiz Italian EnglishtoItalian ItaliantoEnglish Grammar Conjugations Quiz Spanish EnglishtoSpanish SpanishtoEnglish Grammar Conjugations Quiz Portuguese EnglishtoPortuguese PortuguesetoEnglish Conjugations Hindi EnglishtoHindi HinditoEnglish Chinese EnglishtoChinese ChinesetoEnglish Quiz TRANSLATOR GAMES Quiz Englishgrammar Englishcollocations Englishconfusables Englishidioms Englishusage Thematicwordlists Frenchgrammar Germangrammar Italiangrammar MandarinChinesecharacters Spanishgrammar Scrabble ScrabbleHome Wordchecker Help Tools SCHOOLS HomeSchool PrimarySchool SecondarySchool BLOG RESOURCES Resources CollinsWordoftheDay PaulNobleMethod VideoPronunciations WordoftheYear