adj. defective, unsound, imperfect, flawed, impaired, out of order, malfunctioning, broken, bad; damaged; Slang on the blink, Chiefly US on the fritz The carburettor is faulty
FAULTY
Meaning of FAULTY in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012