infelicitous — inapt, inappropriate, or awkward; malapropos: an infelicitous remark.
out of luck — the force that seems to operate for good or ill in a person's life, as in shaping circumstances, events, or opportunities: With my luck I'll probably get pneumonia.
ill-starred — doomed to misfortune or disaster; ill-fated; unlucky: an ill-starred enterprise.
luckless — having no luck; unfortunate; hapless; ill-fated; turning out or ending disastrously: a luckless venture that ruined many of the investors.
jonah — a Minor Prophet who, for his impiety, was thrown overboard from his ship and swallowed by a large fish, remaining in its belly for three days before being cast up onto the shore unharmed.
star-crossed — thwarted or opposed by the stars; ill-fated: star-crossed lovers.