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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 Following the concussion of the 2023 season, he was relieved of his duties. Thomas G. Moukawsher, Newsweek, 21 Mar. 2025 People with specific intracranial injuries had lower attainment in tertiary education than people with concussions. New Atlas, 29 Mar. 2025 The Rays are now at risk of losing their Opening Day starter, who will undergo imaging on Sunday; Rehak also left the game and was diagnosed with a concussion. Gabrielle Starr, Boston Herald, 22 Mar. 2025 Tucker was later diagnosed with a concussion and possible skull fracture. Jackson Thompson, Fox News, 12 Mar. 2025 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • The chances of the asteroid’s collision then continued to fluctuate in the weeks following.
    Charna Flam, People.com, 2 Apr. 2025
  • The asteroid is now logged as a harmless 0, meaning there’s no likelihood of a collision.
    Amanda Kooser, Forbes.com, 2 Apr. 2025
Noun
  • In the immediate aftermath of the crash, the arrivals rate at DCA was temporarily reduced.
    Zach Wichter, USA Today, 2 Apr. 2025
  • Worried about the impact of a market crash on JNJ stock?
    Trefis Team, Forbes.com, 2 Apr. 2025
Noun
  • An example would be a war or an oil price shock, or the coronavirus pandemic that caused the February to March 2020 bear market.
    Sarah Min, CNBC, 8 Apr. 2025
  • Not only the decision to let go of Malone, but the timing of it comes as a bigger shock.
    Gordon G. Chang, MSNBC Newsweek, 8 Apr. 2025

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Cite this Entry

“Concussion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concussion. Accessed 16 Apr. 2025.

More from Merriam-Webster on concussion

Last Updated: - Updated example sentences
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