impact Meaning in the Cambridge English Dictionary
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Meaning of “impact” in the English Dictionary

"impact" in British English

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impactnoun [C usually singular, U]

uk   us   /ˈɪm.pækt/
C2 the ​force or ​action of one ​objecthitting another: The impact of the ​crashreduced the ​car to a third of ​itsoriginallength. The ​bulletexplodes on impact (= when it ​hits another ​object).B2 a ​powerfuleffect that something, ​especially something new, has on a ​situation or ​person: The anti-smoking ​campaign had had/madequite an impact onyoungpeople. The new ​proposals were ​intended to soften the impact of the ​reformedtaxsystem.
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impactverb [I or T]

uk   us   /ɪmˈpækt/ mainly US
C1 to have an ​influence on something: Falling ​exportrates have impacted (on) the country's ​economyquiteconsiderably.
(Definition of impact from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"impact" in American English

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impactnoun [U]

 us   /ˈɪm·pækt/

impact noun [U] (FORCE)

the ​force with which one thing ​hits another or with which two things ​hit each other: The impact of the ​crashdestroyed the ​car. The ​bulletexplodes on impact (= at the ​moment when it ​hits something).

impact noun [U] (EFFECT)

the ​strongeffect or ​influence that something has on a ​situation or ​person: These ​charges will have a ​damaging impact on the army’s ​reputation. The ​environmental impact of this ​project will be ​enormous.

impact

 us   /ɪmˈpækt/

impact (HAVE EFFECT)

to have a ​strongeffect or ​influence on a ​situation or ​person: [I/T] A ​bigdecline in ​exports will impact (on) the country’s ​economy.
(Definition of impact from the Cambridge Academic Content Dictionary © Cambridge University Press)

"impact" in Business English

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impactnoun [C, usually singular, or U]

uk   us   /ˈɪmpækt/
a powerful ​effect that something, especially something new, has on someone or something: a big/huge impact Social ​networks are making a huge impact on ​sales, with fans ​recommendingbrands to hundreds of their friends. We ​judge that these ​developments will have little impact on our ​business.have an impact on/upon sb/sth Microenterprises can have a ​negative or ​positive impact on the ​environment.

impactverb [I or T]

uk   us   /ɪmˈpækt/
to have an ​influence on something: Local ​businesses were ​heavily impacted by the new ​zoningregulations.impact on sth Engineers say the new ​engine could impact on the way future ​cars are ​designed.
(Definition of impact from the Cambridge Business English Dictionary © Cambridge University Press)
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