Definition of concussionnext
1
2
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 Ramón Laureano’s likely season-ending hip surgery, combined with Tatis’ versatility and the uncertainty in the afetrmath of Jake Cronenworth’s concussion, does open the door to add an outfielder to the mix. Eno Sarris, New York Times, 17 June 2026 The family said that Smith suffered multiple concussions during his NFL career. Deena Zaru, ABC News, 16 June 2026 Country singer Tyler Farr canceled his weekend headlining slot at the Goshen Stampede in Connecticut after a motor vehicle accident on his Tennessee farm left him with a severe concussion. Emily St. Martin, Los Angeles Times, 15 June 2026 Months prior, in March 2023, McConnell was hospitalized for a fractured rib and concussion after suffering a fall at a hotel in Washington. Melina Khan, USA Today, 15 June 2026 See All Example Sentences for concussion
Recent Examples of Synonyms for concussion
Noun
  • Scotland's Ben Gannon-Doak was trying to run down a long pass when Moroccan goalkeeper Yassine Bounou ran out to grab the ball, and both met in a crunching collision that left both players down for a minute.
    Andrew Greif, NBC news, 20 June 2026
  • The alert also cited jet ski accidents involving American citizens, including a rider killed in a boat collision and cases of operators ignoring warnings of dangerous weather.
    Robert Abitbol, USA Today, 20 June 2026
Noun
  • From a national pie shop victory to a fatal military crash and a baseball controversy reaching the White House, Wednesday delivered a wide range of stories for Sacramento readers.
    Ruyuan Li. Summary produced by AI assistance, Sacbee.com, 18 June 2026
  • The crash was the first to take place at the base since May 18, 1992, when a twin-engine Mitsubishi MU-2 Marquise crashed during landing, killing two crew members on board.
    Natalie Neysa Alund, USA Today, 18 June 2026
Noun
  • At one point, Humphrey said the shock and grief of it all became too much.
    Madeline Mitchell, USA Today, 20 June 2026
  • In addition to its style, it’s also made with practical features like shock-absorbing cushioning and a durable, grippy outsole that can handle everyday wear.
    Jasmine Gomez, Travel + Leisure, 20 June 2026

Browse Nearby Words

Cite this Entry

“Concussion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concussion. Accessed 23 Jun. 2026.

More from Merriam-Webster on concussion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster