Definition of concussionnext
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as in crash
the violent coming together of two bodies into destructive contact the theory that such a concussion, by a giant asteroid or comet millions of years ago, led to the extinction of the dinosaurs

Synonyms & Similar Words

Synonym Chooser

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

Some common synonyms of concussion are collision, impact, and shock. While all these words mean "a forceful, even violent contact between two or more things," 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 is it sensible to use collision instead of concussion?

The words collision and concussion can be used in similar contexts, but 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

When can impact be used instead of concussion?

The synonyms impact and concussion are sometimes interchangeable, but 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 shock a more appropriate choice than concussion?

The words shock and concussion are synonyms, but do differ in nuance. Specifically, 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 concussion In the first round of the playoffs, the Spurs beat Portland in five games despite missing Victor Wembanyama for one game with a concussion. Zach Harper, New York Times, 3 June 2026 With rest, my concussion has been recovering well. Shania Russell, Entertainment Weekly, 2 June 2026 The athlete had also gone through serious physical setbacks, including multiple concussions, which added another layer of complexity to the process. Irma Davarashvili, Forbes.com, 1 June 2026 Moore said his daughter has a broken nose, black eyes, and a cut lip and needs to be tested for a possible concussion. Zoe Sottile, CNN Money, 31 May 2026 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • This is no coincidence; galactic mergers are more likely at the cluster’s gravitational center, and astronomers think the chaos of such collisions helps give ellipticals their characteristic spheroidal shape.
    Phil Plait, Scientific American, 29 May 2026
  • The Idaho Transportation Department plans to restripe a section of Interstate 84 between Meridian and Nampa, in the days after work-zone lane markings caused confusion among drivers and at least one near collision.
    Rose Evans May 29, Idaho Statesman, 29 May 2026
Noun
  • Grossman did not try to leave the scene after the crash, Holm said.
    Richard Winton, Los Angeles Times, 4 June 2026
  • That crash occurred three months after Lu was ticketed in Maryland for negligent driving and changing lanes unsafely, according to court records.
    ABC News, ABC News, 3 June 2026
Noun
  • No Platner supporter, however, can feel certain that the shocks have ceased.
    David Frum, The Atlantic, 6 June 2026
  • Chloe Demrovsky, a professor at New York University, member of the Coalition for an Insurable Future and former FEMA National Advisory Council member, said most Americans cannot absorb a financial shock of more than $1,000, making insurance a critical safety net.
    Ashley Miznazi, Miami Herald, 6 June 2026

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Cite this Entry

“Concussion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concussion. Accessed 9 Jun. 2026.

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