THESAURUS
untimely
a bit previous, advanced, arrested, back, backward, bad, behindhand, belated, blocked, delayed, delayed-action, detained, far ahead, forward, futile, half-baked, half-cocked, hasty, held up, hung up, ill-adapted, ill-advised, ill-assorted, ill-chosen, ill-considered, ill-fitted, ill-matched, ill-seasoned, ill-sorted, ill-suited, ill-timed, impolitic, improper, impulsive, in a bind, in abeyance, inadmissible, inadvisable, inapplicable, inapposite, inappropriate, inapt, inauspicious, incongruous, inconvenient, inept, inexpedient, infelicitous, inopportune, intempestive, intrusive, irrelevant, jammed, late, latish, mal a propos, maladjusted, malapropos, misjoined, mismatched, mismated, misplaced, mistimed, moratory, never on time, not firm, obstructed, off base, out of character, out of joint, out of keeping, out of line, out of phase, out of place, out of proportion, out of season, out of time, out of tune, overdue, overhasty, oversoon, precipitate, precocious, premature, previous, retarded, rushed, slow, soon, stopped, tardy, too early, too late, too soon, unadapted, unapt, unbecoming, unbefitting, uncrystallized, undesirable, undue, unfavorable, unfit, unfitted, unfitting, unfortunate, unhandy, unhappy, unjelled, unlucky, unmatured, unmeditated, unmeet, unpremeditated, unprepared, unprofitable, unpropitious, unpunctual, unqualified, unready, unripe, unseasonable, unseemly, unsuitable, unsuited, untoward, unwise, wrong
ROGET THESAURUS
untimely
Lateness
N
lateness, tardiness, delay, delation, cunctation, procrastination, deferring, deferral, postponement, adjournment, prorogation, retardation, respite, pause, reprieve, stay of execution, protraction, prolongation, Fabian policy, medecine expectante, chancery suit, federal case, leeway, high time, moratorium, holdover, late, tardy, slow, behindhand, serotine, belated, postliminious, posthumous, backward, unpunctual,
untimely, delayed, postponed, dilatory, delayed, in abeyance, late, lateward, backward, late in the day, at sunset, at the eleventh hour, at length, at last, ultimately, after time, behind time, after the deadline, too late, too late for, slowly, leisurely, deliberately, at one's leisure, ex post facto, sine die, nonum prematur in annum, against the sunbeams serotine and lucent, ie meglio tardi che mai, deliberando saepe perit occasio.
Untimeliness
N
untimeliness, intempestivity, unseasonableness, inexpedience, unsuitable time, improper time, unreasonableness, evil hour, contretemps, intrusion, anachronism, bad time, wrong time, inappropriate time, not the right occasion, unsuitable time, inopportune time, poor timing, ill-timed, mistimed, ill-fated, ill-omened, ill-starred,
untimely, unseasonable, out of date, out of season, inopportune, timeless, intrusive, untoward, mal a propos, unlucky, inauspicious, infelicitous, unbefitting, unpropitious, unfortunate, unfavorable, unsuited, inexpedient, unpunctual, too late for, premature, too soon for, wise after the event, monday morning quarterbacking, twenty-twenty hindsight, inopportunely, as ill luck would have it, in an evil hour, the time having gone by, a day after the fair, after death the doctor, after meat mustard.