THESAURUS
unhelpful
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