/kah poot", -pooht", keuh-/ , adj. Slang.
1. ruined; done for; demolished.
2. unable to operate or continue: The washing machine is suddenly kaput.
3. go kaput , to cease functioning; break down: The old car finally went kaput.
[ 1890-95; être ) capot (to be) without tricks, i.e., make zero score ]