- Main Entry:
- 1im·pact

- Pronunciation:
-
\im-ˈpakt\
- Function:
- verb
- Etymology:
- Latin impactus, past participle of impingere to push against — more at impinge
- Date:
- 1601
transitive verb1 a: to fix firmly by or as if by packing or wedging b: to press together2 a: to have a direct effect or impact on : impinge on b: to strike forcefully; also : to cause to strike forcefullyintransitive verb1: to have an impact —often used with on2: to impinge or make contact especially forcefully
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im·pact·ful
\im-ˈpakt-fəl, ˈim-ˌpakt-fəl\ adjective
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im·pac·tive
\im-ˈpak-tiv\ adjective
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im·pac·tor also im·pact·er
\-tər\ noun