malfunctioning

broken cracked damaged defective deficient erroneous false flawed imprecise inaccurate inadequate incomplete insufficient invalid leaky unreliable

adulterated amiss awry bad below par blamable blemished botched debased distorted fallacious fallible frail impaired imperfect inexact injured lame lemon maimed malformed marred out of order rank sick tainted unfit unretentive unsound warped weak wrong

OK accurate adequate ample complete correct enough faultless fixed flawless honest perfect reliable right sufficient true unbroken valid working

sound strong

blocked clogged swollen wedged

barred caught fast fastened fixed frozen lodged obstructed sandwiched trammeled warped

immovable out of order stiff unworkable

impermanent unfixed

clear empty loose operating vacant

bonkers broken faulty haywire inoperable kerflooey not working on the blink on the bum out of commission out of kilter out of order out of whack