minatory, unpromising, forbidding, threatening, sinister, ominous, minacious, indecent, ill, baleful, ill-omened, unbecoming, unseemly, contrary, luck, bad, harmful, evil, uncomely, menacing, indecorous, unfavourable, sick
adverse (part of speech: adjective)
disastrous, unlucky, burdensome, hard, grievous, unfortunate, difficult, calamitous, unfavorable, adverse, tragic, miserable, perilous, antipathetic, woeful, unpropitious, troublesome, untoward, opposing, detrimental, catastrophic, unfriendly, distressful
untimely (part of speech: adjective)
inopportune (part of speech: adjective)
- Amarendra Babu rubbed his son's body with a mixture of turmeric and oil and despatched a supply to Kumodini Babu by his own barber, with injunctions to have it applied to his daughter's person before 9 A. M., because subsequent hours would be inauspicious. - "Tales of Bengal", S. B. Banerjea.
- " Forget, I entreat you, this inauspicious passion. - "Marriage", Susan Edmonstone Ferrier.
- Ted, feeling he had made rather an inauspicious beginning, suddenly became lamb- like. - "North, South and Over the Sea", M.E. Francis (Mrs. Francis Blundell).