concussion

noun

con·​cus·​sion kən-ˈkə-shən How to pronounce concussion (audio)
1
a
: a stunning, damaging, or shattering effect from a hard blow
especially : a jarring injury of the brain resulting in disturbance of cerebral function
The football player suffered a concussion.
b
: a hard blow or collision
2
: agitation, shaking
The concussion from the explosion was felt 12 miles away.
concussive adjective
Choose the Right Synonym for concussion

impact, collision, shock, concussion mean a forceful, even violent contact between two or more things.

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

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

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

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

Example Sentences

She suffered a severe concussion after falling on the ice. He went to hospital with concussion.
Recent Examples on the Web Newsome suffered a concussion during the Friday practice before the Bills game and will now miss his second game. Dan Labbe, cleveland, 27 Nov. 2022 No evidence was presented to prove that Gee suffered a concussion at USC — or any other time. Steve Henson, Los Angeles Times, 22 Nov. 2022 Terrion Arnold over Jackson this season, and then replaced Arnold with Eli Ricks until Ricks suffered a concussion on the first play against Ole Miss. Saban said Ricks was expected to return to practice Monday. Mike Rodak | Mrodak@al.com, al, 21 Nov. 2022 Joe Mixon suffered a concussion during the third quarter of Sunday's Week 11 win against the Steelers in Pittsburgh, the Bengals announced. Dave Clark, The Enquirer, 21 Nov. 2022 Rodgers suffered a concussion in the Colts’ preseason opener against Buffalo, missed three weeks and was finally cleared from protocol in early September, just before the start of the regular season. Joel A. Erickson, The Indianapolis Star, 20 Nov. 2022 Special Agent Mark Vavak, who is assigned to the agency's Criminal Investigation Division, suffered a concussion in the incident, which involved a Strong-Huttig football player, state police spokeman Bill Sadler said. Grant Lancaster, Arkansas Online, 17 Nov. 2022 The Dolphins lost a game in Cincinnati in late September after Tagovailoa suffered a concussion and exited, being taken from the field on a stretcher and transported by ambulance to a nearby hospital. Mark Maske, Anchorage Daily News, 14 Nov. 2022 Fifth-year corner D’Shawn Jamison suffered a concussion during practice last week, thrusting Brooks to the top of the depth chart at field corner opposite junior boundary corner Ryan Watts for last Saturday’s pivotal game against No. 4 TCU. Nick Moyle, San Antonio Express-News, 14 Nov. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'concussion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

Middle English concussioun, from Latin concussion-, concussio, from concutere to shake violently, from com- + quatere to shake

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of concussion was in the 14th century

Dictionary Entries Near concussion

Cite this Entry

“Concussion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/concussion. Accessed 5 Dec. 2022.

Kids Definition

concussion

noun

con·​cus·​sion kən-ˈkəsh-ən How to pronounce concussion (audio)
1
: a violent uneven motion
2
: a hard blow or collision
3
: bodily injury especially of the brain resulting from a sudden sharp jar (as from a blow)
concussive adjective

Medical Definition

concussion

noun

con·​cus·​sion kən-ˈkəsh-ən How to pronounce concussion (audio)
1
: a hard blow or collision
2
: a condition resulting from the stunning, damaging, or shattering effects of a hard blow
especially : a jarring injury of the brain resulting in disturbance of cerebral function and sometimes marked by permanent damage
concussive adjective

More from Merriam-Webster on concussion

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