collapse

US /kəˈlæps/

UK /kə'læps/

B1
v.t./i.Verb (Transitive/Intransitive)To fold (e.g. a stroller) down to make it smaller
We usually collapse the table and chairs after the meeting
v.t./i.Verb (Transitive/Intransitive)To suddenly fall down or break apart into pieces
You shouldn't risk entering this building, it may collapse at any moment
v.t./i.Verb (Transitive/Intransitive)To fall down suddenly due to being ill or tired
After such a tiring trip we just wanted to collapse in front of the TV
v.t./i.Verb (Transitive/Intransitive)To fail suddenly and completely; to lose effectiveness.
The company collapsed after a series of bad investments.
n.NounThe sudden failure of a structure or system.
The collapse of the building was a major disaster.
n.NounThe sudden failure of a bodily organ or function.
Lung collapse can be a serious medical condition.

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