Meaning of COLLAPSE in English

COLLAPSE

n. & v.

--n.

1. the tumbling down or falling in of a structure; folding up; giving way.

2 a sudden failure of a plan, undertaking, etc.

3 a physical or mental breakdown.

--v.

1. a intr. undergo or experience a collapse. b tr. cause to collapse.

2 intr. colloq. lie or sit down and relax, esp. after prolonged effort (collapsed into a chair).

3 a intr. (of furniture etc.) be foldable into a small space. b tr. fold (furniture) in this way.

Derivatives:

collapsible adj. collapsibility n.

Etymology: L collapsus past part. of collabi (as COM-, labi slip)

Oxford English vocab.      Оксфордский английский словарь.