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
The children are now in the fourth grade, but Thompson believes their friend’s death has had a lingering impact on their lives. Harriet Ramos, Fort Worth Star-Telegram, 8 Apr. 2026 Nageswaran said the Middle East conflict would disrupt supplies of key commodities such as oil, gas, and fertilizers, push up import prices, and raise logistics costs, which would have an impact on both growth and inflation. Priyanka Salve, CNBC, 8 Apr. 2026
Verb
The garage was under construction for the Children's Hospital of Philadelphia, and officials said all seven levels of its stair system were impacted by the collapse, FOX 29 reported. Greg Norman-Diamond, FOXNews.com, 9 Apr. 2026 Fort Lauderdale has five entertainment districts, but the new rules would only impact Himmarshee. Susannah Bryan, Sun Sentinel, 9 Apr. 2026 See All Example Sentences for impact
Recent Examples of Synonyms for impact
Noun
  • As much as Besler anticipates that upbeat effect for others, there will be something new in this for him, too.
    Kansas City Star, Kansas City Star, 8 Apr. 2026
  • The alert was issued Tuesday and remains in effect through Saturday, April 11, officials said.
    Mark Price April 8, Charlotte Observer, 8 Apr. 2026
Noun
  • The near collision comes less than a month after a fatal crash took place between an Air Canada flight and a firetruck at New York's LaGuardia Airport in late March.
    Rachel McRady, PEOPLE, 10 Apr. 2026
  • The collision resulted in serious injuries to the motorcyclist.
    Hema Sivanandam, Mercury News, 10 Apr. 2026
Noun
  • The brief casts doubt on the agency’s effectiveness due to a lack of partnerships between the FWA, local authorities, unions, enforcement agencies and community organizations.
    Angela Velasquez, Footwear News, 6 Apr. 2026
  • But the Iran war has also highlighted the effectiveness of low-cost weapons.
    Jason Ma, Fortune, 6 Apr. 2026
Verb
  • What to expect Attendees can expect a range of local chefs and vendors serving traditional fish plates alongside dishes influenced by a variety of cultural backgrounds.
    Evan Moore, Charlotte Observer, 9 Apr. 2026
  • Known for sporting towering hats with Atlanta iconography, Robinson has spent 23 years influencing downtown’s development and sense of community.
    Zachary Hansen, AJC.com, 9 Apr. 2026
Verb
  • Hong Kong’s Cathay Pacific recently bumped fuel surcharges by roughly 34% across all routes, while Air India on Monday added up to $280 in fees to some flights.
    Rio Yamat, Chicago Tribune, 9 Apr. 2026
  • Craft Sake Shoten is an intimate, unpretentious place to deepen your sake knowledge while bumping shoulders with incredibly friendly locals.
    Kim Kay, Travel + Leisure, 9 Apr. 2026
Verb
  • The fallout for the actual group, however, rooted itself in reality, with Maddy physically attacking Cassie in front of the audience.
    Joey Nolfi, Entertainment Weekly, 10 Apr. 2026
  • Simply calling out Altman as someone to cheer for or root against feels insufficient, even as some people do that (especially the latter one).
    Steven Zeitchik, HollywoodReporter, 9 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 12 Apr. 2026.

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