What is a synonym for kaput?

Here are some synonyms for "kaput", depending on the context:

General:

* Broken

* Dead

* Finished

* Done for

* Out of commission

* No good

* Utter failure

* Beyond repair

Informal:

* Busted

* Croaked

* Kicked the bucket (informal, referring to death)

* Gone to pot

* Shot

* Worn out

* Down the drain

Technical:

* Inoperative

* Malfunctioning

* Defunct

The best synonym for "kaput" depends on the specific situation and the desired level of formality.