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Synonyms

impact

American  
[im-pakt, im-pakt] / ˈɪm pækt, ɪmˈpækt /

noun

  1. the striking of one thing against another; forceful contact; collision.

    The impact of the colliding cars broke the windshield.

  2. an impinging.

    the impact of light on the eye.

  3. influence; effect.

    the impact of Einstein on modern physics.

  4. an impacting; forcible impinging.

    the tremendous impact of the shot.

  5. the force exerted by a new idea, concept, technology, or ideology.

    the impact of the industrial revolution.


verb (used with object)

  1. to drive or press closely or firmly into something; pack in.

  2. to fill up; congest; throng.

    A vast crowd impacted St. Peter's Square.

  3. to collide with; strike forcefully.

    a rocket designed to impact the planet Mars.

  4. to have an impact or effect on; influence; alter.

    The decision may impact your whole career. The auto industry will be impacted by the new labor agreements.

verb (used without object)

  1. to have impact or make contact forcefully.

    The ball impacted against the bat with a loud noise.

  2. to have an impact or effect.

    Increased demand will impact on sales.

impact British  

noun

  1. the act of one body, object, etc, striking another; collision

  2. the force with which one thing hits another or with which two objects collide

  3. the impression made by an idea, cultural movement, social group, etc

    the impact of the Renaissance on Medieval Europe

"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

verb

  1. to drive or press (an object) firmly into (another object, thing, etc) or (of two objects) to be driven or pressed firmly together

  2. to have an impact or strong effect (on)

"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

Usage

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.

Other Word Forms

  • impaction noun
  • nonimpact noun
  • postimpact adjective

Etymology

Origin of impact

First recorded in 1775–85; (noun and v.) back formation from impacted

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While few dispute the potential for AI to remake the business-software sector—along with virtually every facet of the economy—most believe the impacts will be more diffuse and delayed than this week’s selloff suggested.

From The Wall Street Journal

Another component of the current market rotation could be tied to AI’s expected impact on the real economy.

From Barron's

Those four stocks all have high share prices, which means they have a bigger impact on the price-weighted Dow than they would if the index was weighted according to market value.

From Barron's

For more than a decade, she covered consumer lending broadly with a focus on issues that had a big impact on borrowers.

From The Wall Street Journal

Bringing them to life — albeit in giant, comically oversized form — tied the ceremony’s artistic celebration to a broader narrative about Italy’s impact on global culture.

From Salon