collapse

nouns

an abrupt failure of function or complete physical exhaustion
"the commander's prostration demoralized his men"
collapse, prostration
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"
collapse
is a type of (narrower)
an event that happens
happening, natural event, occurrence, occurrent
the act of throwing yourself down
"he landed on the bed with a great flop"
collapse, flop
a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
collapse, crash

verbs

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, cave in, collapse, fall in, founder, give, give way
collapse due to fatigue, an illness, or a sudden attack
break down, collapse
fold or close up
"fold up your umbrella"; "collapse the music stand"
collapse
is derived from
collapsible
is a type of (narrower)
bend or lay so that one part covers the other
"fold up the newspaper"; "turn up your collar"
fold, fold up, turn up
fall apart
"the building crumbled after the explosion"; "Negotiations broke down"
break down, collapse, crumble, crumple, tumble
cause to burst
"The ice broke the pipe"
burst, collapse
suffer a nervous breakdown
break up, collapse, crack, crack up, crock up
lose significance, effectiveness, or value
"The school system is collapsing"; "The stock market collapsed"
collapse
is a type of (narrower)
become weaker
"The prisoner's resistance weakened after seven days"
weaken