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WORDNET DICTIONARY

Adjective futile has 2 senses

• futile(s = adj.all) ineffectual, otiose, unavailing - producing no result or effect; "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt"
Derived form noun futility₁

• futile(s = adj.all) bootless, fruitless, sleeveless, vain - unproductive of success; "a fruitless search"; "futile years after her artistic peak"; "a sleeveless errand"; "a vain attempt"

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

futile

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, idle, 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, useless, vacuous, vain, vapid, wacky, wet, windy, witless, worthless, wrong

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futile

Inutility

N inutility, uselessness, inefficacy, futility, ineptitude, inaptitude, unsubservience, inadequacy, inefficiency, unskillfulness, disservice, unfruitfulness (unproductiveness), labor in vain, labor lost, labor of Sisyphus, lost trouble, lost labor, work of Penelope, sleeveless errand, wild goose chase, mere farce, tautology, supererogation, vanitas vanitatum, vanity, inanity, worthlessness, nugacity, triviality, caput mortuum, waste paper, dead letter, blunt tool, litter, rubbish, junk, lumber, odds and ends, cast-off clothes, button top, shoddy, rags, orts, trash, refuse, sweepings, scourings, offscourings, waste, rubble, debris, detritus, stubble, leavings, broken meat, dregs, weeds, tares, rubbish heap, dust hole, rudera, deads, fruges consumere natus, useless, inutile, inefficacious, futile, unavailing, bootless, inoperative, inadequate, inservient, unsubservient, inept, inefficient, of no avail, ineffectual, incompetent, stale, flat and unprofitable, superfluous, dispensable, thrown away, abortive, worthless, valueless, priceless, unsalable, not worth a straw, dear at any price, vain, empty, inane, gainless, profitless, fruitless, unserviceable, unprofitable, ill-spent, unproductive, hors de combat, effete, past work, obsolete, fit for the dust hole, good for nothing, of no earthly use, not worth having, not worth powder and shot, leading to no end, uncalled for, unnecessary, unneeded, uselessly, to little purpose, to no purpose, to little or no purpose, Int, cui bono?, what's the good!, actum ne agas, chercher une aiguille dans une botte de foin, tanto buon che val niente.

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