collapse

Suffer a nervous breakdown.

Fold or close up.

“collapse the music stand”

Lose significance, effectiveness, or value.

“The stock market collapsed”

Break down, literally or metaphorically.

“The wall collapsed”

“The business collapsed”

Cause to burst.

Collapse due to fatigue, an illness, or a sudden attack.

Fall apart.

The act of throwing yourself down.

An abrupt failure of function or complete physical exhaustion.

A sudden large decline of business or the prices of stocks (especially one that causes additional failures).

A natural event caused by something suddenly falling down or caving in.

“the roof is in danger of collapse”

“the collapse of the old star under its own gravity”