collapse
verb
collapsed;
collapsing
Definition of collapse
(Entry 1 of 2)
1
: to fall or shrink together abruptly and completely : fall into a jumbled or flattened mass through the force of external pressure
a blood vessel that collapsed
2
: to break down completely : disintegrate
… his case had collapsed in a mass of legal wreckage …— Erle Stanley Gardner
3
: to cave or fall in or give way
The bridge collapsed.
4
: to suddenly lose force, significance, effectiveness, or worth
fears that the currency may collapse
5
: to break down in vital energy, stamina, or self-control through exhaustion or disease
She came home from work and collapsed on the sofa.
especially
: to fall helpless or unconscious
He collapsed on stage during the performance.
6
: to fold down into a more compact shape
a chair that collapses
1
: to cause to collapse
buildings collapsed by an earthquake
2
: condense
collapse several stories into one
collapse
nounDefinition of collapse (Entry 2 of 2)
1a
: a breakdown in vital energy, strength, or stamina
suffered a mental collapse
b
: a state of extreme prostration and physical depression (as from circulatory failure or great loss of body fluids)
c
: an airless state of all or part of a lung originating spontaneously or induced surgically
2
: the act or action of collapsing
the cutting of many tent ropes, the collapse of the canvas— Rudyard Kipling
4
: a sudden loss of force, value, or effect
the collapse of respect for ancient law and custom— L. S. B. Leakey
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