Unfortunate
Unlucky
Synonyms Unlucky, out of luck, luckless, miserable, unhappy, pitiful, ill-fated, star-crossed, cursed, hapless, down on one's luck, wretched, forlorn, poor, ill-starred, ill-omened, jinxed, and doomed.
Adverse
Synonyms Adverse, unadvantageous, unlucky, unwelcome, unpromising, unpropitious, tough, inimical, detrimental, ruinous, calamitous, miserable, grievous, tragic, awful, disadvantageous, unfavourable, untoward, untimely, inauspicious, hostile, hard, harmful, injurious, disastrous, dire, distressing, lamentable, terrible, and wretched.
Regrettable
Synonyms Regrettable, unsuitable, infelicitous, untoward, inappropriate, inapt, tactless, and injudicious.
Example Sentences
It was an unfortunate accident.
She faced an unfortunate situation today.
His unfortunate choice affected everyone.
They had an unfortunate misunderstanding yesterday.