1 lacking the thinking capacity characteristic of a conscious being; "the shrieking of the mindless wind"
2 requiring little mental effort; "mindless tasks"
3 not mindful or attentive; "while thus unmindful of his steps he stumbled"- G.B.Shaw [syn: unmindful, forgetful] [ant: mindful]
5 not marked by the use of reason; "mindless violence"; "reasonless hostility"; "a senseless act" [syn: reasonless, senseless]
showing a lack of forethought or sense
having no sensible meaning or purpose
(of a thing done) overly repetitive and unchallenging
lacking a mind
a stranger to, aimless, airy, aloof, anarchic, angry, animal, animalian, animalic, animalistic, apathetic, asinine, asleep, ataractic, beastlike, beastly, bestial, blase, blind to, blustering, blusterous, blustery, bored, brainless, brutal, brute, brutelike, brutish, careless, casual, caught napping, causeless, chaotic, cursory, dead to, deaf to, degage, designless, detached, devil-may-care, disinterested, dispassionate, disregardant, disregardful, distant, driftless, dumb, dysteleological, easygoing, fatuous, flippant, foolish, forgetful, frantic, free and easy, frenzied, fruity, furious, haphazard, headless, heedless, hellish, idiotic, ignorant, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, imbecilic, impassive, impercipient, impolitic, imprudent, in ignorance of, inadvisable, inattentive, incognizant, inconsiderate, incurious, indifferent, indiscreet, indiscriminate, inept, inexcitable, inexpedient, inexplicable, infuriate, injudicious, insensate, insensible, insensible to, insouciant, instinctive, instinctual, irrational, lackadaisical, lackbrained, lazy, lean-minded, lean-witted, listless, lunatic, mad, maniac, mental, misadvised, misguided, moronic, myopic, napping, negligent, nitwitted, non compos mentis, nonchalant, nonconceiving, nonrational, not bright, not with it, nuts, oblivious, obtuse, of little brain, offhand, orgasmic, orgastic, out of it, pandemoniac, pea-brained, perfunctory, phlegmatic, pin-brained, pococurante, promiscuous, purposeless, raging, random, ravening, raving, reasonless, reckless, regardless, respectless, rip-roaring, senseless, shortsighted, silly, slackminded, slackwitted, stochastic, stolid, storming, stormy, stray, stupid, subhuman, tactless, tempestuous, thick, thickheaded, thoughtless, troublous, tumultuous, turbulent, turned-off, unaccommodating, unaccountable, unadvised, unanxious, unaware, unaware of, uncomplaisant, unconcerned, unconscious, unconscious of, unconsidered, uncooperative, undiplomatic, undirected, undiscerning, undiscriminating, unforeseeing, ungifted, unhearing, unheedful, unheeding, unhelpful, uninquiring, uninsightful, unintellectual, unintelligent, uninterested, uninvolved, unknowing, unmindful, unmindful of, unmotivated, unobliging, unperceiving, unprehensive, unprepared, unready, unrealizing, unreasonable, unreasoning, unreflecting, unreflective, unseeing, unsensible, unsolicitous, unsound, unsuspecting, untactful, untalented, unthinking, unthoughtful, unwise, unwitting, uproarious, wild, withdrawn, witless, zoic, zooidal, zoologic