Definition of impact verb from the Oxford Advanced Learner's Dictionary

      

    impact

     verb
    verb
    BrE BrE//ɪmˈpækt//
     
    ; NAmE NAmE//ɪmˈpækt//
     
    Verb Forms present simple I / you / we / they impact
    BrE BrE//ɪmˈpækt//
     
    ; NAmE NAmE//ɪmˈpækt//
     
    he / she / it impacts
    BrE BrE//ɪmˈpækts//
     
    ; NAmE NAmE//ɪmˈpækts//
     
    past simple impacted
    BrE BrE//ɪmˈpæktɪd//
     
    ; NAmE NAmE//ɪmˈpæktɪd//
     
    past participle impacted
    BrE BrE//ɪmˈpæktɪd//
     
    ; NAmE NAmE//ɪmˈpæktɪd//
     
    -ing form impacting
    BrE BrE//ɪmˈpæktɪŋ//
     
    ; NAmE NAmE//ɪmˈpæktɪŋ//
     
     
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  1. 1[intransitive, transitive] to have an effect on something synonym affect impact on/upon something Her father's death impacted greatly on her childhood years. impact something (business) The company's performance was impacted by the high value of the pound.
  2. 2[intransitive, transitive] impact (on/upon/with) something (formal) to hit something with great force
  3. Word Origin early 17th cent. (as a verb in the sense ‘press closely, fix firmly’): from Latin impact- ‘driven in’, from the verb impingere ‘drive something in or at’, from in- ‘into’ + pangere ‘fix, drive’.Extra examples Her father’s death impacted greatly on her childhood years. The border dispute could impact on the work of aid agencies. The company’s performance was impacted by the high value of the pound. The cuts will inevitably impact on service delivery.
See the Oxford Advanced American Dictionary entry: impact

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