Unfortunate; not successful; as an unlucky man.

Unfortunate; not resulting in success; as an unlucky adventure; an unlucky throw of dice; an unlucky game.

Unhappy; miserable; subject to frequent misfortunes.

Slightly mischievous; mischievously waggish; as an unlucky boy; an unlucky wag.

Ill omened; inauspicious. Haunt me not with that unlucky face.