The DICT Development Group

  128 Moby Thesaurus words for "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