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WORDNET DICTIONARY
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WORDNET DICTIONARY

Adjective unthoughtful has 1 sense

• unthoughtful(s = adj.all) unreflective, unthinking - not exhibiting or characterized by careful thought; Array
Derived form noun unthoughtfulness₁

OXFORD DICTIONARY

THESAURUS

unthoughtful

arbitrary, capricious, careless, disregardful, forgetful, heedless, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, impolitic, imprudent, inadvertent, inadvisable, inconsiderate, indiscreet, inexpedient, injudicious, insensate, irrational, mindless, misadvised, misguided, myopic, reasonless, reckless, respectless, senseless, shortsighted, thoughtless, unaccommodating, unadvised, uncalculating, uncomplaisant, unconsidered, uncooperative, undiscerning, unforeseeing, unguarded, unheedful, unhelpful, unmindful, unobliging, unreasonable, unreasoning, unreflecting, unreflective, unseeing, unsensible, unsound, unthinking, unwise, witless

For further exploring for "unthoughtful" in Webster Dictionary Online