[noun im-pakt; verb im-pakt]


verb (used with object)

verb (used without object)

to have impact or make contact forcefully: The ball impacted against the bat with a loud noise.
to have an impact or effect: Increased demand will impact on sales.

Origin of impact

First recorded in 1775–85; (noun and v.) back formation from impacted
Related formsnon·im·pact, noun, adjectivepost·im·pact, adjective

Usage note

The verb impact has developed the transitive sense “to have an impact or effect on” ( The structured reading program has done more to impact the elementary schools than any other single factor ) and the intransitive sense “to have an impact or effect” ( The work done at the computer center will impact on the economy of Illinois and the nation ). Although recent, the new uses are entirely standard and most likely to occur in formal speech and writing. See also impactful. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for impacting

jolt, smash, crash, clash, register, collide, crush, strike, kick

Examples from the Web for impacting

Contemporary Examples of impacting

Historical Examples of impacting

  • They do not coat the infantile matter with a hard or impacting envelope.


    Ezra Pound

  • The water, impacting against the side of the house, spouted skyward as high as the crojack-yard.

  • The direct, proximate, or necessary function of the hammer in normal operation is impacting.

    The Classification of Patents

    United States Patent Office

  • He spread his feet, braced his shoulders and chest to the impacting masses of words, and waited.

    The Wolf Cub

    Patrick Casey

  • The evolution or revolution of information technology is impacting everything we do and how we do it on a worldwide basis.

    Shock and Awe

    Harlan K. Ullman

British Dictionary definitions for impacting


noun (ˈɪmpækt)

the act of one body, object, etc, striking another; collision
the force with which one thing hits another or with which two objects collide
the impression made by an idea, cultural movement, social group, etcthe impact of the Renaissance on Medieval Europe

verb (ɪmˈpækt)

to drive or press (an object) firmly into (another object, thing, etc) or (of two objects) to be driven or pressed firmly together
to have an impact or strong effect (on)
Derived Formsimpaction, noun

Word Origin for impact

C18: from Latin impactus pushed against, fastened on, from impingere to thrust at, from pangere to drive in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for impacting



c.1600, "press closely into something," from Latin impactus, past participle of impingere "to push into, dash against, thrust at" (see impinge). Originally sense preserved in impacted teeth (1876). Sense of "strike forcefully against something" first recorded 1916. Figurative sense of "have a forceful effect on" is from 1935. Related: Impacting.



1781, "collision," from impact (v.). Figurative sense of "forceful impression" is from 1817 (Coleridge).

Online Etymology Dictionary, © 2010 Douglas Harper