Dictionary.net

fold or close up, as of an umbrella or a music stand

a mishap caused by something suddenly falling down or caving in

an abrupt failure of function or health

lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"

suffer a nervous breakdown

cause to burst; "The ice broke the pipe"

a mishap caused by something suddenly falling down or caving in

an abrupt failure of function or health

lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"

suffer a nervous breakdown

cause to burst; "The ice broke the pipe"

fold or close up; "fold up your umbrella"; "collapse the music stand"

To fall together suddenly, as the sides of a hollow vessel; to close by falling or shrinking together; to have the sides or parts of (a thing) fall in together, or be crushed in together; as, a flue in the boiler of a steam engine sometimes collapses.

To fail suddenly and completely, like something hollow when subject to too much pressure; to undergo a collapse; as, Maximilian's government collapsed soon after the French army left Mexico; many financial projects collapse after attaining some success and importance.

A falling together suddenly, as of the sides of a hollow vessel.

A sudden and complete failure; an utter failure of any kind; a breakdown.

Extreme depression or sudden failing of all the vital powers, as the result of disease, injury, or nervous disturbance.

A falling in or together; sudden and complete failure; general prostration.

To fall in; break down.

Collapsible.

Complete exhaustion and prostration.

A falling away or breaking down: any sudden or complete breakdown or prostration.

A falling together; overthrow; prostration.

To fall together; be crushed in.

To cause to shrink; fall in; fall together; fail utterly; be prostrated; succumb.

A falling in, as of the sides of a hollow vessel; a sudden and utter prostration of strength; a breakdown.

To fall together, as the sides of a hollow vessel; to break down.

A falling in or together; extreme depression of the bodily energies.

To fall inwards or together; to close by falling together.

Collapsus- c. of the Lung, see Atelectasis- c. Pulmonary, see Atelectasis.

State of extreme depression or prostration.

A falling together of parts that are nominally separate, as of the walls of a hollow structure.

n. A falling together, as of the sides of a hollow vessel; —a sudden failing of the vital powers; prostration; —a sudden failure, as of a project, &c.