Synonyms and related words :
ad-lib, airy, arrested, asleep, back, backward, behindhand, belated, blocked, careless, casual, caught napping, caught off balance, caught short, cursory, degage, delayed, delayed-action, detained, disregardant, disregardful, easygoing, extemporaneous, extemporized, flippant, forgetful, free and easy, goofing off, haphazard, hasty, heedless, held up, hung up, ill-considered, ill-seasoned, ill-timed, impromptu, improper, improvised, in a bind, in abeyance, inappropriate, inauspicious, incautious, inconsiderate, inconvenient, indifferent, inexpectant, inexpedient, infelicitous, inopportune, insouciant, intempestive, intrusive, irrelevant, jammed, late, latish, lazy, makeshift, mal a propos, malapropos, mistimed, moratory, napping, never on time, nodding, nonexpectant, oblivious, obstructed, off base, off-guard, offhand, out of line, out of phase, out of time, overdue, perfunctory, precipitate, premature, reckless, regardless, respectless, retarded, rough-and-ready, sleeping, slow, snap, stopped, surprised, tactless, taken aback, taken by surprise, taken unawares, tardy, thoughtless, too late, too soon, tripped up, unadmonished, unadvised, unalert, unanticipating, unanticipative, unarranged, unaware, unbefitting, unbegun, uncautious, unconcocted, uncontrived, undeliberated, undevised, undiplomatic, unexpecting, unfavorable, unfit, unfitting, unforewarned, unfortunate, unguarded, unguessing, unhandy, unhappy, unhatched, unheedful, unheeding, uninformed, unlucky, unmade, unmanufactured, unmindful, unorganized, unplanned, unpremeditated, unprepared, unprimed, unpropitious, unpunctual, unripe, unseasonable, unsolicitous, unstudied, unsuitable, unsuspecting, untactful, unthinking, untimely, untoward, unvigilant, unwarned, unwary, unwatchful, wrong