impact

English dictionary entry

Meanings

noun

The striking of one body against another; collision.
The force or energy of a collision of two objects.
A forced impinging.
A significant or strong influence or effect.

verb

To collide or strike, the act of impinging.
To compress; to compact; to press into something or pack together.
To significantly or strongly influence or affect; to have an impact on.
To stamp or impress onto something.

Pronunciation

imʹpăkt /ˈɪmpækt/ LL-Q1860 (eng)-Vealhurl-impact (noun).wav LL-Q1860 (eng)-Vealhurl-impact (verb).wav im-păktʹ /ɪmˈpækt/

Word forms

impact impacts impacting impacted

Etymology

Attested since the 17th century, from Latin impāctus.

Synonyms

percussion

Related words

impinge

Derived words

adverse impact Charpy impact test disimpact environmental impact statement giant impact theory high-impact impact aid impact area impact crater impact drill impact driver impact energy impact event impact factor impactful impactite impactive impactless impact matrix printer impact melt impactment impact play impact printer impact resistance impact sourcing impact statement impact winter low-impact nonimpact postimpact preimpact second impact syndrome vibroimpact victim impact statement impactable impacter impaction impactor reimpact

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.

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