concussion

con·cus·sion

noun \kən-ˈkə-shən\

Definition of CONCUSSION

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 b : a hard blow or collision

2

: agitation, shaking

— con·cus·sive \-ˈkə-siv\ adjective

Examples of CONCUSSION

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

Origin of CONCUSSION

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

First Known Use: 14th century

Related to CONCUSSION

Synonyms: bump, collision, impact, crash, impingement, jar, jolt, jounce, kick, shock, slam, smash, strike, wallop

Related Words: blow, buffet, hit, knock, punch, rap, slap, thump; bashing, battering, bludgeoning, clobbering, hammering, lambasting, licking, pounding, pummeling (also pummelling), thrashing; contact, encounter, meeting, touch

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See Synonym Discussion at impact

Rhymes with CONCUSSION

discussion, percussion