ZebraWords.com - The Definition of 'Thoughtless', Synonyms of 'Thoughtless' & More on 'Thoughtless'

1. Moby Thesaurus II by Grady Ward, 1.0

absent-minded, airy, apish, arbitrary, artless, asinine, batty, befooled, beguiled, besotted, blank, blankminded, brainless, brash, buffoonish, calm, capricious, careless, casual, cockeyed, crazy, credulous, cursory, daffy, daft, dazed, degage, discourteous, disregardant, disregardful, distracted, distrait, dizzy, doting, dumb, easygoing, empty, empty-headed, fatuitous, fatuous, featherbrained, featherheaded, feckless, flaky, flippant, fluttery, fond, fool, foolheaded, foolish, forgetful, free and easy, frivolous, fuddled, futile, gaga, giddy, giddy-brained, giddy-headed, giddy-pated, giddy-witted, goofy, grasshopper, gulled, half-assed, happy-go-lucky, harebrain, harebrained, hasty, heedless, hotheaded, idiotic, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, imbecile, impolite, impolitic, improvident, imprudent, inadept, inadvertent, inadvisable, inane, inapt, inattentive, incautious, incogitant, inconsiderate, incurious, indifferent, indiscreet, inefficient, inept, inexpedient, inexpert, infatuated, injudicious, inobservant, insane, insensate, insensitive, insouciant, irrational, kooky, lazy, loony, mad, madcap, maudlin, mediocre, mindless, misadvised, misguided, moronic, myopic, neglectful, negligent, nirvanic, nutty, oblivious, offhand, passive, pedestrian, perfunctory, poor, quietistic, rash, rattlebrained, rattleheaded, rattlepated, reasonless, reckless, regardless, relaxed, remiss, respectless, rude, sappy, scatterbrained, scramblebrained, screwy, selfish, senseless, sentimental, sharp, shatterbrained, shiftless, shortsighted, silly, skill-less, stupid, tactless, thoughtfree, thriftless, tranquil, unaccommodating, unadvised, unapt, uncalculating, uncaring, unceremonious, uncomplaisant, unconsidered, uncooperative, undeft, undexterous, undextrous, undiplomatic, undiscerning, uneconomical, unfacile, unforeseeing, ungracious, unguarded, unheedful, unheeding, unhelpful, unideaed, unintellectual, unintelligent, unmarking, unmindful, unnoticing, unnoting, unobliging, unobservant, unobserving, unoccupied, unprepared, unproficient, unproviding, unready, unreasonable, unreasoning, unreflecting, unreflective, unremarking, unseeing, unsensible, unskillful, unsolicitous, unsound, untactful, unthinking, unthoughtful, unthrifty, unwise, vacant, vacuous, wacky, wet, witless, wrecking

Dictionary Results for thoughtless:

1. WordNet® 3.0 (2006)

thoughtless
    adj 1: showing lack of careful thought; "the debate turned into
           thoughtless bickering" [ant: thoughtful]
    2: without care or thought for others; "the thoughtless saying
       of a great princess on being informed that the people had no
       bread; `Let them eat cake'" [syn: thoughtless, uncaring,
       unthinking]

2. The Collaborative International Dictionary of English v.0.48

Thoughtless \Thought"less\, adv.
   1. Lacking thought; careless; inconsiderate; rash; as, a
      thoughtless person, or act.
      [1913 Webster]

   2. Giddy; gay; dissipated. [R.] --Johnson.
      [1913 Webster]

   3. Deficient in reasoning power; stupid; dull.
      [1913 Webster]

            Thoughtless as monarch oaks that shade the plain.
                                                  --Dryden.
      [1913 Webster] -- Thought"less*ly, adv. --
      Thought"less*ness, n.
      [1913 Webster]

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