57 synonyms for unfortunate such as infelicitous, cursed, adverse, inappropriate, and inapt. Unfortunate is an adjective, and its antonyms are fortunate and lucky.
Cursed, doomed, down on one's luck, forlorn, hapless, ill-fated, ill-omened, ill-starred, jinxed, luckless, miserable, out of luck, pitiful, poor, star-crossed, unhappy, unlucky, and wretched.
Adverse, awful, calamitous, detrimental, dire, disadvantageous, disastrous, distressing, grievous, hard, harmful, hostile, inauspicious, inimical, injurious, lamentable, miserable, ruinous, terrible, tough, tragic, unadvantageous, unfavourable, unlucky, unpromising, unpropitious, untimely, untoward, unwelcome, and wretched.
Inappropriate, inapt, infelicitous, injudicious, regrettable, tactless, unsuitable, and untoward.