Futile

a.	1.
	1.	Talkative; loquacious; tattling. Talkers and futile persons. - Bacon.
	2.	Of no importance; answering no useful end; useless; vain; worthless. His reasoning . . . was singularly futile. - Macaulay.

Adj.	1.	futile - producing no result or effect; "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt" Synonyms: unavailing, otiose, ineffectual
	2.	futile - unproductive of success; "a fruitless search"; "futile years after her artistic peak"; "a sleeveless errand"; "a vain attempt" Synonyms: bootless, fruitless, sleeveless, vain

abortive, absurd, airy, apish, asinine, bad, barren, batty, befooled, beguiled, besotted, bootless, brainless, buffoonish, catchpenny, cockeyed, counterproductive, crazy, credulous, daffy, daft, dazed, dizzy, doomed, doting, dumb, effete, empty, etiolated, failed, failing, fatuitous, fatuous, feckless, flaky, flimsy, fond, fool, foolheaded, foolish, foredoomed, fribble, fribbling, frivolous, frothy, fruitless, fuddled, gaga, goofy, gulled, hollow, idiotic, ill-advised, ill-considered, ill-suited, ill-timed, imbecile, impolitic, impotent, improper, in vain, inadequate, inadvisable, inane, inappropriate, inapt, incongruous, ineffective, ineffectual, inefficacious, inefficient, inept, inexpedient, infatuated, infelicitous, inoperative, inopportune, insane, insufficient, invalid, kooky, lame, light, loony, mad, mal a propos, malapropos, manque, maudlin, miscarried, miscarrying, moronic, nugacious, nugatory, nutty, of no effect, of no force, otiose, out of place, profitless, sappy, screwy, senseless, sentimental, shallow, silly, slender, slight, sterile, stickit, stillborn, stupid, successless, superficial, thoughtless, trifling, trite, trivial, unavailable, unavailing, unbefitting, undesirable, unfit, unfitting, unfortunate, unhappy, unmeet, unproductive, unprofitable, unsatisfactory, unseasonable, unseemly, unsuccessful, unsuitable, untimely, unwise, vacuous, vapid, wacky, wet, windy, witless, wrong