Dictionary entries for 'concussion'

Synonyms

bump
collision
crash
impact
jar
jolt
percussion
shock
smash

con·cus·sion (kən-kŭsh́ən)

[Middle English concussioun, bruise, contusion, from Latin concussiō, concussiōn-, concussion, from concussus past participle of concutere, to strike together; see concuss.]

noun

A violent jarring; a shock. See synonyms at collision
An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.

derivatives

con·cuśsive: adjective
con·cuśsive·ly: adverb

noun

derivatives

The American Heritage® Dictionary of the English Language, Fourth Edition