a mishap caused by something suddenly falling down or caving in
- instörtning [ geologi ]
break down, literally or metaphorically cause to burst lose significance, effectiveness, or value
- "The stock market collapsed"
- "The school system is collapsing"
- "The ice broke the pipe"
- "The roof finally gave under the weight of the ice"
- "The wall gave in"
- "The roof collapsed"
- "The dam broke"
- "The business collapsed"
- "The wall collapsed"