concussion

concussion

noun

Definition of CONCUSSION

1

a forceful coming together of two things <the concussion of the airliner slamming into the skyscraper was felt for several blocks in all directions>

Synonyms bump, collision, concussion, 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

2

the violent coming together of two bodies into destructive contact <the theory that such a concussion, by a giant asteroid or comet millions of years ago, led to the extinction of the dinosaurs>

Synonyms collision, concussion, crack-up, smash, smashup, wreck

Related Words accident, pileup; demolishment, destruction, ruin