THESAURUS
disregardful, forgetful, functionless, heedless, in disrepair, inapplicable, inconsiderate, inoperable, inoperative, mindless, nonfunctional, nonutilitarian, otiose, out of order, out of whack, respectless, thoughtless, unaccommodating, uncomplaisant, unconducive, uncooperative, unemployable, unfit, unheedful, unmindful, unobliging, unsuitable, unthinking, unthoughtful, unusable, unworkable