1 synonym for Malfunctioning

broken, malfunctioning, out of order, defective, not working, inoperative down, kaput, busted, faulty, out of commission, on the blink, haywire, glitched, nonfunctional, conked out, out of whack, out of service, acting up, gone bad, out of action, not functioning, screwed up, messed up, out ofilter, on the bum, out of gear, out of tune, out of sync, out of alignment, out of adjustment, out of shape, out of joint, out of true, out of balance, out of plumb, out of square, out of level, out of line, out of step, out of phase, out of orderliness, out of regularity, out of normality, out of usualness, out of customaryness, out of standardness, out of typicalness [x]