collapse
//kəˈlæps//
Verb
To fall down or cave in suddenly, typically due to structural failure.
The old building collapsed after the earthquake.
To suddenly fall down or become unconscious due to illness, exhaustion, or weakness.
She collapsed from exhaustion after running the marathon.
To fail suddenly and completely, as in a system, organization, or plan.
The company collapsed after losing its biggest client.
To fold or be folded into a more compact shape.
The umbrella collapses easily for storage.
Noun
An instance of a structure falling down or caving in.
The collapse of the old bridge caused traffic delays for weeks.
A sudden failure of an institution, system, or undertaking.
The collapse of the banking system caused widespread panic.
A physical or mental breakdown caused by illness or exhaustion.
She suffered a collapse from exhaustion and had to be hospitalized.