faulty Synonyms

defective wrong incorrect erroneous substandard unsatisfactory imperfect malfunctioning inadequate inferior inoperative unsound mistaken flawed broken not working bad awry unserviceable haywire wonky jiggered Leakey unfitted kaput broken-down knackered solecize worse weak sophistic sophistical specious toothless unacceptable unfinished unfounded unreliable lacking untrue vicious void wanting busted unscientific untenable wide of the mark on the blink out of commission out of order