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 The Bengals lost Ja'Marr Chase to a concussion early in the second quarter, and Tee Higgins left the game late after suffering an adductor injury. — Dan Zaksheske Outkick, FOXNews.com, 5 Oct. 2026 The special teams ace went to the blue medical tent to be evaluated for a concussion. — Alex Zietlow, Charlotte Observer, 5 Oct. 2026 Cincinnati Bengals wide receivers Ja’Marr Chase (concussion) and Tee Higgins (adductor) both departed. — Rick Maese, Washington Post, 5 Oct. 2026 In May, Lindgren caught Bouchard entering the offensive zone with his head down, delivering a high check to the head and resulting in a concussion. — Janson Duench, New York Times, 4 Oct. 2026 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • Thomas defenders maintained that slow-motion replays and freeze frames made an accidental collision appear deliberate.
    — Jackson Thompson OutKick, FOXNews.com, 3 Oct. 2026
  • According to the suit, the issues led to at least one collision and two train breakdowns that stranded hundreds of travelers in the heat.
    — Los Angeles Times, Los Angeles Times, 3 Oct. 2026
Noun
  • Kaur’s brother, Jathinder Singh, said his sister was unable to react after the crash.
    — Darrell Smith, Sacbee.com, 8 Oct. 2026
  • The death of legendary Argentine singer Carlos Gardel in a plane crash in Medellín in 1935 deepened the city’s already strong connection to the dance form and turned Medellín into one of tango’s most passionate homes outside Argentina.
    — Nikkita Nair, Condé Nast Traveler, 7 Oct. 2026
Noun
  • Globally, there is shock and condemnation over how Israel has conducted the war, and how Gaza remains in ruins and cut off from the world a year since the ceasefire.
    — Cara Anna, Los Angeles Times, 7 Oct. 2026
  • Luckily, Skechers’ AERO Razor relies on a highly responsive HYPER BURST PRO™ midsole foam with HYPER ARC® rocker technology, a shock-absorbing Arch Fit® insole system, and a forefoot H-Wing™ for explosive energy return.
    — Katie Decker-Jacoby, StyleCaster, 7 Oct. 2026

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Cite this Entry

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

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