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English definition of “collapse”

collapse

verb     /kəˈlæps/
FALL [I] B2 When someone collapses, they fall down, usually because they are sick or weak: He collapsed and died of a heart attack.Falling and droppingMoving downwards
OBJECT [I, T] B2 to fall down or towards the inside, or to make a structure or object fall down or towards its inside: The roof collapsed under the weight of snow.Falling and droppingMoving downwards
FAIL [I] to fail to work or succeed: The peace talks have collapsed.Failing and doing badlyFailuresAccidents and disastersHigher and lower points of achievement
(Definition of collapse verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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