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impact - definition and synonyms


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noun impact pronunciation in British English /ˈɪmpækt/
Word Forms
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  1. 1
    [countable] an effect, or an influence
    Her paper discusses the likely impact of global warming on climate change.
    Tougher environmental laws could have negative impacts on economic growth.
    impact on: Internet shopping has begun to have a serious impact on traditional bookshops.
    make an impact: She’s an excellent athlete who is already making a real impact in world competition.
  2. 2
    [countable/uncountable] an occasion when one object hits another
    the point of impact
    on impact: The missile exploded on impact.
    1. a.
      the force with which one objects hits another
      I was thrown to the ground by the impact.


a fashion trend in which people intentionally wear ordinary, inexpensive, widely-available clothing

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a flower or small bunch of flowers worn on the lapel of a jacket on special occasions

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