useful, utile

worthless, pointless, superfluous, meaningless, irrelevant, ineffective, impotent, futile, valueless, unusable, ineffectual, obsolete, nonsensical, stupid, unimportant, unnecessary, idiotic, counterproductive, unuseable, unproductive, useful, unpractical, uninteresting, ridiculous, inconsequential, laughable, fruitless, asinine, nonfunctional, lame, contentless, unreliable, illogical, boring, vacuous, inoperative, annoying, ignorant, incomprehensible, uncreative, unreadable, nugatory, impractical, fatuous, moronic, unhelpful, inefficacious, unworkable, hopeless, misguided, mindless, pathetic, brainless, unworthy, wasteful, absurd, otiose, silly, functionless, ludicrous, inefficient, outdated, trivial, irritating, toothless, untrustworthy, tedious, tiresome, unneeded, unintelligent, specious, uninformed, unmarketable, banal, purposeless, nonexistent, irresponsible, dumb, trite, foolish, indecipherable, outmoded, unoriginal, fallacious, incompetent, inconvenient, clueless, witless, unsaleable, irksome, unsalvageable, unwise, daft, powerless, impossible, unintelligible, preposterous, untrue, unfeasible, obtuse, dispensable, inept, senseless, needless, profitless, commonplace, aimless, unprofitable, puny, ble, clumsy

., boondoggle, cast-offa, constipation, cripple, deadening, decayed, discard, discarded, dissipation, do a job on, for all practical purposes, hogchoker, impairment, junk, junked, packrat, radioactive waste, reclaim, rotted, rotten, rough fish, scrap, scrapa, stultification, stultify, tautology, throwing away, trash, trinectes maculatus, uselessly, waste, wastefulness, waste of effort, waste of energy, waste of material, waste of time

cast-off, discarded, futile, ineffectual, inutile, junked, otiose, scrap, unavailing, unhelpful, unprofitable, unserviceable, unusable, unuseable, waste