impact 1 of 2

Definition of impactnext

impact

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verb

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Synonym Chooser

How is the word impact different from other nouns like it?

Some common synonyms of impact are collision, concussion, and shock. While all these words mean "a forceful, even violent contact between two or more things," impact may be used to imply contact between two things, at least one of which is impelled toward the other.

the glass shattered on impact with the floor

When is it sensible to use collision instead of impact?

The meanings of collision and impact largely overlap; however, collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded.

the collision damaged the vehicle

In what contexts can concussion take the place of impact?

In some situations, the words concussion and impact are roughly equivalent. However, concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow.

bystanders felt the concussion of the blast

When could shock be used to replace impact?

The synonyms shock and impact are sometimes interchangeable, but shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force.

the shock of falling rocks

How is the word impact different from other nouns like it?

Some common synonyms of impact are collision, concussion, and shock. While all these words mean "a forceful, even violent contact between two or more things," impact may be used to imply contact between two things, at least one of which is impelled toward the other.

the glass shattered on impact with the floor

When is it sensible to use collision instead of impact?

The meanings of collision and impact largely overlap; however, collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded.

the collision damaged the vehicle

In what contexts can concussion take the place of impact?

In some situations, the words concussion and impact are roughly equivalent. However, concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow.

bystanders felt the concussion of the blast

When could shock be used to replace impact?

The synonyms shock and impact are sometimes interchangeable, but shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force.

the shock of falling rocks

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of impact
Noun
Season 2 will give viewers further, unrivalled insight into the lives of strong female leaders who ruled during key times in global history and examine the long-lasting impact their decisions had on those periods. Jesse Whittock, Deadline, 15 Apr. 2026 In a May 2024 letter to the community, Mayor Christina Muryn explained that Marathon Oil's sale would have no direct impact on the city. Dean Narciso, USA Today, 15 Apr. 2026
Verb
That became a bigger source of discomfort for me as the vaccine question demonstrated how our neighbors’ decisions can impact us directly. Vanessa Franko, Los Angeles Times, 16 Apr. 2026 The war is pushing energy prices higher, worsening inflation and impacting global economic growth. Chan Ho-Him, Fortune, 16 Apr. 2026 See All Example Sentences for impact
Recent Examples of Synonyms for impact
Noun
  • The cozy fleece bottoms have a flattering straight-leg fit and feature subtle side piping, giving them a fashionable, sporty effect.
    Melony Forcier, PEOPLE, 15 Apr. 2026
  • But even as older viewers and opponents of the merger fret about corporate consolidation and its problematic effects on viewers, millions of Americans have already moved on to other forms of media.
    John Wenzel, Denver Post, 14 Apr. 2026
Noun
  • Aerial footage of the collision showed that a white car ended up on the sidewalk next to a crosswalk after the crash.
    Matthew Rodriguez, CBS News, 18 Apr. 2026
  • And in 2009, a collision between a plane and a tourist helicopter over the Hudson killed nine people.
    ABC News, ABC News, 17 Apr. 2026
Noun
  • The device uses heat therapy combined with SonicGlow to activate your skin care by assisting with deeper absorption and effectiveness.
    Tory Johnson, ABC News, 13 Apr. 2026
  • But this loss of horsepower and expertise has come at the cost of her own effectiveness in the role—if, that is, effectiveness is really the goal to begin with.
    Quinta Jurecic, The Atlantic, 13 Apr. 2026
Verb
  • Our gut microbiome is made up of trillions of bacteria that influence digestion, immunity and overall health.
    LeeAnn Weintraub, Daily News, 15 Apr. 2026
  • Powell rebuked the investigation in a video message in January as a politically motivated effort to influence the Fed's interest rate policy.
    Luke Barr, ABC News, 15 Apr. 2026
Verb
  • Five years later, Marquinhos was chest-bumping Thiago Silva, his countryman and mentor at PSG, after forcing Mohamed Salah to run the ball out of play at the Parc des Princes for Liverpool.
    Stuart James, New York Times, 15 Apr. 2026
  • Kansas State transfer tight end Brayden Loftin played in 12 personnel looks with the first-team offense, mainly blocking, but bumping out to the slot, too.
    Aaron Heisen, Daily News, 14 Apr. 2026
Verb
  • The side of State Highway 121 is rooted with Texas prairie grasses and is known to bloom with Texas wildflowers during spring and summer.
    Fort Worth Star-Telegram, Fort Worth Star-Telegram, 17 Apr. 2026
  • A lot of Torres’s humor is rooted in classification — that’s just where his mind goes, whether for comedy purposes or not.
    Adam Moss, Vulture, 17 Apr. 2026
Noun
  • New Environment If your plant has gone through a significant change in its environment recently—colder or warmer temperatures, a sudden lack of humidity, a change in light levels or watering habits—the shock could cause leaf drop.
    Alexandra Jones, The Spruce, 11 Apr. 2026
  • That’s why most economists agree the oil price shock from the Iran war probably won’t end in a recession.
    David Goldman, CNN Money, 11 Apr. 2026
Noun
  • Yet Monday’s flyby — the first time humans had reached the moon since 1972 — held emotional significance for the crew and space enthusiasts beyond the mission’s technical objectives.
    Noah Haggerty, Los Angeles Times, 11 Apr. 2026
  • The true significance of Pakistan's intervention only became clear when both sides agreed to a pause shortly after a down-to-the-wire plea from the country's prime minister, Shehbaz Sharif.
    Betsy Joles, NPR, 11 Apr. 2026

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Cite this Entry

“Impact.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impact. Accessed 18 Apr. 2026.

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