THESAURUS
unconsidered
abandoned, aimless, automatic, brash, casual, deserted, designless, desultory, disregarded, gut, half-done, haphazard, hasty, hit-or-miss, hotheaded, ignored, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, imageless, impolitic, imprudent, inadvertent, inadvisable, incautious, inconsequent, inconsequential, inconsiderable, inconsiderate, indeliberate, indiscreet, indiscriminate, inexpedient, injudicious, insensate, involuntary, irrational, laid aside, left undone, mindless, misadvised, misguided, missed, myopic, neglected, omitted, overlooked, paltry, passed by, passed over, passed up, picayune, pigeonholed, promiscuous, puny, put aside, reasonless, reckless, reflex, reflexive, senseless, shortsighted, shunted, sidelined, sidetracked, slighted, small, snap, spontaneous, thoughtless, trifling, trivial, unadvised, unasked, unattended to, uncalculated, uncared-for, unchaperoned, unconceived, unconceptualized, unconscious, undeliberate, undeliberated, undescried, undesigned, undiscerning, undone, undreamed-of, unexamined, unexplored, unforeseeing, unheeded, unimaged, unimagined, unintended, unintentional, unmarked, unmeditated, unminded, unmissed, unnoted, unnoticed, unobserved, unperceived, unplanned, unpremeditated, unreasonable, unreflecting, unreflective, unregarded, unremarked, unscanned, unsearched, unseeing, unseen, unsensible, unsifted, unsolicited, unsound, unstudied, untended, unthinking, unthought-of, unthoughtful, unwatched, unweighed, unwilled, unwise, witless
ROGET THESAURUS
unconsidered
Incogitancy
N
incogitancy, vacancy, inunderstanding, fatuity thoughtlessness, vacuity, couch potato, vegetable, vacant, unintellectual, unideal, unoccupied, unthinking, inconsiderate, thoughtless, mindless, no-brain, vacuous, absent, diverted, irrational narrow-minded, unthought of, undreamt 'of,
unconsidered, off one's mind, incogitable, not to be thought of, absence d'esprit, pabulum pictura pascit inani.