collapsed
adjective /kəˈlæpst/
  /kəˈlæpst/
- having fallen down or in suddenly, often after breaking apart
- collapsed buildings
 
 - having failed suddenly or completely
- a collapsed investment bank
 
 - having decreased suddenly in amount or value
- a collapsed currency
 
 - (of a lung or blood vessel) having fallen in and become flat and empty
- a collapsed lung