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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 According to the promotion, a five-stage protocol will be used to determine if a fighter is fit to return to action after a concussion. Greg Rosenstein, NBC news, 19 July 2025 The Sheriff's Department told the Times that a 5-year-old sustained a cut to his head, an 11-year-old girl was airlifted to a hospital with a broken leg, a 22-year-old man had bruises on his head and arms and a 73-year-old man sustained a concussion. Charlotte Phillipp, People.com, 11 July 2025 The other suffered a concussion and was treated and released from the hospital. Justin Muszynski, Hartford Courant, 11 July 2025 Five people were injured during the incident -- an 11-year-old girl with a broken leg, a 5-year-old boy with cuts and a head laceration, a 22-year-old man with abrasions to his head and a 73-year-old man who sustained a concussion, the sheriff's department said in a statement. Alex Stone, ABC News, 10 July 2025 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • The maximum altitude for the route the helicopter was taking was 200 ft, but the collision occurred at an altitude of around 300 ft.
    David Shepardson, USA Today, 31 July 2025
  • Twenty-eight-year-old Sam Lilley died in January’s midair collision, the deadliest plane crash in the US in 24 years.
    Alexandra Skores, CNN Money, 30 July 2025
Noun
  • The crash of the aircraft, priced at about $100 million, was the second this year.
    Anna Commander Robert Birsel John Feng, MSNBC Newsweek, 31 July 2025
  • Slaughter and the four people inside the Nissan were taken from the crash scene to Broward Health Medical Center.
    Angie DiMichele, Sun Sentinel, 31 July 2025
Noun
  • Finally, thanks to intuitive adaptive shocks that adjust damping rates on the fly—compensating for every minuscule bit of pitch and roll—the Turbo rode quite comfortably.
    Peter Nelson, Forbes.com, 25 July 2025
  • Jenna Bush Hager brought a little spicy energy to Today With Jenna & Friends on Thursday, when the NBC personality used profanity during a live broadcast, much to the shock of colleague Willie Geist and her behind-the-scenes crew members.
    EW.com, EW.com, 25 July 2025

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Cite this Entry

“Concussion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concussion. Accessed 5 Aug. 2025.

More from Merriam-Webster on concussion

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