con·​cus·​sion | \ kən-ˈkə-shən How to pronounce concussion (audio) \

Definition of concussion

1a : 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.

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Other Words from concussion

concussive \ kən-​ˈkə-​siv How to pronounce concussive (audio) \ 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

Examples of concussion in a Sentence

She suffered a severe concussion after falling on the ice. He went to hospital with concussion.

Recent Examples on the Web

Astros outfielder George Springer returned to the lineup Sunday, none the worse for wear after suffering a concussion in a collision with the outfield wall at Miller Park in Milwaukee last Tuesday. David Barron, Houston Chronicle, "Astros' George Springer returns to lineup," 8 Sep. 2019 The 30-year-old was with the team for a week before suffering a concussion after taking a foul ball off of his mask in a game at Milwaukee on July 24. Mark Schmetzer,, "Reds activate catcher Juan Graterol; Giants claim pitcher Wandy Peralta," 7 Sep. 2019 In 1997, Jerry Rice blew out his left knee injury and Steve Young sustained a concussion. Cam Inman, The Mercury News, "49ers at Buccaneers: What are keys to winning in Tampa Bay?," 6 Sep. 2019 One day a toddler suffered a concussion after falling from the school’s obsolete climbing gym. Steve Rubenstein,, "Work is child’s play as Napa volunteer, 92, keeps building swings and slides," 30 Aug. 2019 The Redskins said McKinzy had sustained a concussion. Mark Inabinett |, al, "Auburn NFL roundup: Jarrett Stidham leads preseason passers," 30 Aug. 2019 Lindley said the ball thrown by her son hit another boy and allegedly resulted in the boy, who is 9 years old, suffering a concussion. Minyvonne Burke, NBC News, "Assault charge dropped against 10-year-old boy who injured classmate in dodgeball-like game," 31 July 2019 Holt missed six weeks with a concussion in 2016, nearly three months with concussionlike symptoms in ’17, and last season was out 10 days with a hamstring strain. Peter Abraham,, "Brock Holt knows there are no guarantees beyond this season," 26 Aug. 2019 But there were plenty of struggles — multiple interceptions in four games, the low point being a 6-for-16, two-pick performance against Utah in which he was knocked out with a concussion. Creg Stephenson |, al, " All-Access: Does Bo Nix change Auburn’s outlook for 2019?," 22 Aug. 2019

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.

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First Known Use of concussion

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

History and Etymology for concussion

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

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Statistics for concussion

Last Updated

12 Sep 2019

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Time Traveler for concussion

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

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More Definitions for concussion



English Language Learners Definition of concussion

: an injury to the brain that is caused by something hitting the head very hard


con·​cus·​sion | \ kən-ˈkə-shən How to pronounce concussion (audio) \

Kids Definition of concussion

: injury to the brain caused by a hard hit on the head


con·​cus·​sion | \ kən-ˈkəsh-ən How to pronounce concussion (audio) \

Medical Definition of concussion

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

Other Words from concussion

concussive \ -​ˈkəs-​iv How to pronounce concussive (audio) \ adjective

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