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