luckless adjective2 •Unsuccessful, in a failing manner.The search party returned dejected from the luckless search. •Without luck, unfortunate.That Wolves reached half-time on level terms had much to do with the ultimately luckless Hennessey, who was in action in the opening minute to tip away Samir Nasri's shot following a City corner. — 2011 formsmore luckless · most luckless