Finished in German style (5)

I believe the answer is:

kaput

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'finished' is the definition.
(synonyms)

I can't explain the rest of the clue.

(Other definitions for kaput that I've seen before include "Broken or finished - in Germany" , "No longer functioning" , "Permanently broken" , "Broken and useless" , "Ruined (slang)" .)

I've seen this clue in the Evening Standard.

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