collapse, prostration -- (an abrupt failure of function or complete physical exhaustion; "the commander's prostration demoralized his men")
collapse -- (a natural event caused by something suddenly falling down or caving in; "the roof is in danger of collapse"; "the collapse of the old star under its own gravity")
flop, collapse -- (the act of throwing yourself down; "he landed on the bed with a great flop")
crash, collapse -- (a sudden large decline of business or the prices of stocks (especially one that causes additional failures))
Overview of verb collapse
The verb collapse has 7 senses
collapse, fall in, cave in, give, give way, break, founder -- (break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice")
break down, collapse -- (collapse due to fatigue, an illness, or a sudden attack)
collapse -- (fold or close up; "fold up your umbrella"; "collapse the music stand")
crumble, crumple, tumble, break down, collapse -- (fall apart; "the building crumbled after the explosion"; "Negotiations broke down")
collapse, burst -- (cause to burst; "The ice broke the pipe")