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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.

The impact of the current border clashes on workers held captive in scam compounds has drawn the attention of international officials.

From The Wall Street Journal

"We wanted to know if blinking was impacted by environmental factors and how it related to executive function," says lead author Pénélope Coupal, an Honours student at the Laboratory for Hearing and Cognition.

From Science Daily

“It’s emotionally, physically and financially taxing. We don’t talk enough about these issues, and it’s going to impact everyone at some point either as a caregiver or someone needing care.”

From MarketWatch

It’s the impact on trading sentiment that mattered to Hoffmann-Burchardi, which is why she has been advocating that investors diversify their portfolios and retain exposure to gold as a geopolitical hedge.

From MarketWatch

So movements in bond yields will have only a gradual impact on financing costs as already-issued debt takes a long time to roll over.

From The Wall Street Journal