crash n
1 bang, boom, clang, clash, clatter, clattering, din, racket, smash, smashing, thunder vb
2 break, break up, dash to pieces, disintegrate, fracture, fragment, shatter, shiver, smash, splinter
3 come a cropper (informal) dash, fall, fall headlong, give way, hurtle, lurch, overbalance, pitch, plunge, precipitate oneself, sprawl, topple
4 bang, bump (into), collide, crash-land (an aircraft) drive into, have an accident, hit, hurtle into, plough into, run together, wreck n
5 accident, bump, collision, jar, jolt, pile-up (informal) prang (informal) smash, smash-up, thud, thump, wreck
6 bankruptcy, collapse, debacle, depression, downfall, failure, ruin, smash vb
7 be ruined, collapse, fail, fold, fold up, go belly up (informal) go broke (informal) go bust (informal) go to the wall, go under, smash adj
8 (of a course of studies, etc.) emergency, immediate, intensive, round-the-clock, speeded-up, telescoped, urgent