Meaning of “unlucky” - Learner’s Dictionary

unlucky

adjective uk us /ʌnˈlʌki/

B1 having or causing bad luck:

[ + to do sth ] The team played well and was unlucky to lose.
Some people think it's unlucky to walk under ladders.
unluckily adverb

(Definition of “unlucky” from the Cambridge Learner’s Dictionary © Cambridge University Press)