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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 Travis Kelce dominated the first half and then spent the second half out of sight with a concussion, unable to even watch. Sam McDowell 24, Kansas City Star, 24 Oct. 2025 The interruptions during the examination proved costly, as the NFL fined the Giants $200,000, Daboll $100,000, and Skattebo $15,000 for violating the league’s concussion protocol, the NFL and NFLPA announced in a joint statement Friday. Ryan Canfield, FOXNews.com, 24 Oct. 2025 Western coach Dan Davidson would confirm later that it was concluded that Thomas probably received a concussion. Steve Fryer, Oc Register, 24 Oct. 2025 Celtics big man Luka Garza (concussion protocol) will not play Friday night against the New York Knicks. Zack Cox, Boston Herald, 23 Oct. 2025 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • An elementary school bus was involved in a collision on Ohio 125 at White Oak Road on Thursday, according to an email from West Clermont School Superintendent David Fultz.
    Gillian Stawiszynski, Cincinnati Enquirer, 23 Oct. 2025
  • Rodriguez was arrested and taken to the Johnson County Jail, according to the post, and faces charges of arson of a place of worship, burglary of a building, theft of property and collision involving damage.
    Lillie Davidson, Fort Worth Star-Telegram, 22 Oct. 2025
Noun
  • After the crash, the SUV was reportedly struck by a tractor-trailer that was traveling in the right lane behind the vehicle.
    Madison E. Goldberg, PEOPLE, 23 Oct. 2025
  • Five people were killed and one was injured in five vehicle crashes on Arkansas roads from Saturday through Wednesday, according to preliminary police reports.
    Arkansas Online, Arkansas Online, 23 Oct. 2025
Noun
  • Sudden macroeconomic shocks or trend reversals can push prices well below the EMA, leading to mark-to-market losses or assignments on declining stocks.
    Michael Khouw, CNBC, 27 Oct. 2025
  • Eight years on, FII has evolved from a stage for shock-and-awe reveals into a reflection of Saudi Arabia’s maturing economic strategy, and of Public Investment Fund’s (PIF) central role in driving it.
    Wael Mahdi, semafor.com, 27 Oct. 2025

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Cite this Entry

“Concussion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concussion. Accessed 29 Oct. 2025.

More from Merriam-Webster on concussion

Last Updated: - Updated example sentences
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