Impact definition and meaning | Collins English Dictionary

impact in American English ; verb transitive. 1. to force tightly together; pack; wedge ; verb intransitive. 3. to hit with force ; noun. 5. a striking together; ... 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 Korean Definitionof 'impact'    WordFrequency Share× Credits× impact Wordforms:plural,3rdpersonsingularpresent tenseimpacts,presentparticipleimpacting ,pasttense,pastparticipleimpacted pronunciationnote: Thenounispronounced(ɪmpækt ).Theverbispronounced(ɪmpækt ).1. countablenoun[usuallysingular] Theimpactthatsomethinghasonasituation,process,orpersonisasuddenandpowerfuleffectthatithasonthem. Theysaytheyexpectthemeetingtohaveamarkedimpactonthefutureofthecountry.[+on] Themajorimpactofthisepidemicworldwideisyettocome. Whenanexecutivecomesintoanewjob,hewantstoquicklymakeanimpact. Synonyms:effect,influence,consequences,impression MoreSynonymsofimpact 2. variablenoun Animpactistheactionofoneobjecthittinganother,ortheforcewithwhichoneobjecthits another. Theplaneisdestroyed,acompletewreck:thepilotmusthavediedonimpact. Arunningtrackshouldbecapableofabsorbingtheimpactofarunner'sfootlanding onit. Synonyms:collision,force,contact,shock MoreSynonymsofimpact 3. verb Toimpactonasituation,process,orpersonmeanstoaffectthem. Suchschemesmeanlittleunlesstheyimpactonpeople.[VERB+on/upon] ThereductioninthenumberofdaysthatParliamentsatwouldimpactonthequality ofitswork.[VERBon/uponnoun] ...thepotentialforwomentoimpactthepoliticalprocess.[VERBnoun] impacted gradedadjective[usuallyverb-linkADJECTIVE]Tradingisbeingincreasinglyimpactedbythecurrentrecession. 4. verb Ifoneobjectimpactsonanother,ithitsitwithgreatforce. [formal]...thesharptinkleofmetalimpactingonstone.[V+on/upon/with] Accordingtotheairforce,themissilemerelyimpactedwiththegroundprematurely.[Von/upon/withn] WhenalargeobjectimpactstheEarth,itmakesacrater.[VERBnoun] Synonyms:hit,strike,crash,clash MoreSynonymsofimpact MoreSynonymsofimpact COBUILDAdvancedEnglishDictionary.Copyright©HarperCollinsPublishers Video:pronunciationof impact Youmayalsolike EnglishQuizConfusables Synonymsof'impact' LanguageLover'sBlog FrenchTranslationof'impact' Translateyourtext PronunciationPlaylists Wordoftheday:'cruciverbalist' HindiTranslationof'impact' NEWfromCollins! EnglishGrammar CollinsApps WordFrequency impactinBritishEnglish noun(ˈɪmpækt )1. theactofonebody,object,etc,strikinganother;collision 2. theforcewithwhichonethinghitsanotherorwithwhichtwoobjectscollide 3. theimpressionmadebyanidea,culturalmovement,socialgroup,etc theimpactoftheRenaissanceonMedievalEurope verb(ɪmˈpækt )4. todriveorpress(anobject)firmlyinto(anotherobject,thing,etc)or(oftwoobjects)tobedriven orpressedfirmlytogether 5. tohaveanimpactorstrongeffect(on) CollinsEnglishDictionary.Copyright©HarperCollinsPublishers Derivedformsimpaction(imˈpaction)noun WordoriginC18:fromLatinimpactuspushedagainst,fastenedon,fromimpingeretothrustat,frompangeretodrivein WordFrequency impactinAmericanEnglish (ɪmˈpækt ;ˈɪmˌpækt ;forn.ˈɪmˌpækt ) verbtransitive1.  toforcetightlytogether;pack;wedge 2.  toaffectausageobjectedtobysome verbintransitive3.  tohitwithforce 4.  tohaveaneffectusuallywithon:ausageobjectedtobysome noun5.  astrikingtogether;violentcontact;collision 6.  theforceofacollision;shock 7.  thepowerofanevent,idea,etc.toproducechanges,movethefeelings,etc. Webster’sNewWorldCollegeDictionary,4thEdition.Copyright©2010by HoughtonMifflinHarcourt.Allrightsreserved. Derivedformsimpaction(imˈpaction) noun Wordorigin