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Synonyms

concussion

American  
[kuhn-kuhsh-uhn] / kənˈkʌʃ ən /

noun

  1. Pathology. injury to the brain or spinal cord due to jarring from a blow, fall, or the like.

  2. shock caused by the impact of a collision, blow, etc.

  3. the act of violently shaking or jarring.

concussion British  
/ kənˈkʌʃən /

noun

  1. a jarring of the brain, caused by a blow or a fall, usually resulting in loss of consciousness

  2. any violent shaking; jarring

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
concussion Scientific  
/ kən-kŭsh′ən /

  1. An injury to a soft structure, especially the brain, produced by a violent blow or impact and followed by a temporary, sometimes prolonged, loss of function. A concussion of the brain results in transient loss of consciousness or memory.

Other Word Forms

  • concussant adjective
  • concussional adjective
  • concussive adjective

Etymology

Origin of concussion

First recorded in 1350–1400; Middle English, from Latin concussiōn-, stem of concussiō “a shaking,” also “earthquake, extortion”; equivalent to concuss + -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She likes to tell the story of how, after she was treated for a concussion and a broken arm at a local hospital, she wandered the halls confused why nobody was trying to charge her.

From The Wall Street Journal

The field was reduced to 11 competitors after Canada's Cassie Sharpe was ruled out of the final due to concussion following a heavy crash in qualifying.

From Barron's

Australia suffered a setback Saturday in their quest to win the Women's Asian Cup with goalkeeper Teagan Micah ruled out of the tournament with concussion.

From Barron's

Rousey, 39, has spoken at length about serious concussion problems throughout her athletic career and said it contributed to her decision to retire from MMA 10 years ago.

From BBC

He said the concussion triggered his language difficulties and caused him to endure flashbacks, anxiety, and brain fog after the incident.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.