Having bad luck in a way that makes people feel sorry for you.
Example sentences
“The hapless tourist lost his passport, his wallet, and then his hotel key, all in one day.”
“The hapless goalkeeper slipped and let in an easy goal.”
Invites pity with a smile; a hapless victim is unlucky in an almost comic way. Built on the archaic 'hap', meaning luck, the same root as 'happen' and 'happy'.