Adjective
Being without luck; unpropitious; unfortunate; unlucky; meeting with ill success or bad fortune; as, a luckless gamester; a luckless maid.
Source: Webster's dictionaryThink'st thou there are no serpents in the world But those who slide along the grassy sod, And sting the luckless foot that presses them? There are who in the path of social life Do bask their spotted skins in Fortune's sun, And sting the soul. Joanna Baillie
If mind, as ancient sages taught, A never dying flame, Still shifts thro' matter's varying forms, In every form the same, Beware, lest in the worm you crush A brother's soul you find; And tremble lest thy luckless hand Dislodge a kindred mind. Anna Letitia Barbauld
RICH, adj. Holding in trust and subject to an accounting the property of the indolent, the incompetent, the unthrifty, the envious and the luckless. Ambrose Bierce
Why," said another, "Some there are who tell Of one who threatens he will toss to Hell The luckless Pots he marr'd in making - Pish! He's a Good Fellow, and 'twill all be well. Omar Khayyám
INFALAPSARIAN, n. One who ventures to believe that Adam need not have sinned unless he had a mind to in opposition to the Supralapsarians, who hold that that luckless person's fall was decreed from the beginning. Ambrose Bierce
Friday the 13th is an unlucky date Source: Internet