List of untoward synonyms and untoward related words.
adverse, annoying, antagonistic, apocalyptic, awkward, bad, baleful, baneful, black, bleak, bodeful, boding, boorish, conflicting, contrary, counter, counteractive, criminal, dark, detrimental, difficult, dire, discouraging, doomful, dreary, evil, evil-starred, fateful, foolish, foreboding, fractious, gloomy, hapless, hard, harmful, hostile, ill, ill-boding, ill-conceived, ill-considered, ill-fated, ill-omened, ill-seasoned, ill-starred, ill-timed, impolite, improper, imprudent, in opposition, inaccurate, inappropriate, inauspicious, inconvenient, indecent, indecorous, indelicate, indocile, inexpedient, infelicitous, inferior, inimical, inopportune, intempestive, intractable, intrusive, invalid, irrelevant, irritating, late, lowering, luckless, mal a propos, malapropos, malevolent, malodorous, menacing, miserable, mistimed, not easy, of evil portent, off base, ominous, opposed, opposing, opposite, out of line, out of phase, out of time, peccant, portending, portentous, premature, recalcitrant, rigorous, rough, rude, silly, sinful, sinister, somber, star-crossed, stressful, stupid, tactless, threatening, too late, too soon, troublesome, troublous, trying, unapt, unbecoming, unbefitting, uncalled-for, undecorous, undiplomatic, undisciplined, unfavorable, unfit, unfitting, unfortunate, ungentlemanly, ungodly, ungovernable, unhandy, unhappy, unhealthy, unkind, unladylike, unlucky, unmanageable, unpleasant, unpromising, unpropitious, unready, unrefined, unripe, unseasonable, unseemly, unskillful, unsuitable, untactful, untimely, unwarranted, unwise, vexatious, vexing, vicious, wicked, wild, wretched, wrong