kaputEnglishOxford American Thesauruskaput informal adjective the TV's kaput: broken, malfunctioning, broken-down, inoperative; ruined, destroyed, smashed, wrecked, useless; finished, at an end, defunct, extinct, dead; informal done for, toast.□ go kaputbreak down, go wrong, stop working, go haywire, give out; be ruined, be spoiled, be wrecked; informal have had it, conk out.