B1
having or causing bad luck
Dictionary examples:
My unlucky phone always dies right before I take a selfie. (0.0)
My unlucky friend's autocorrect always changes 'hello' to 'help'. (0.0)
The unlucky weather app always predicts sun during rainstorms. (0.0)
They played well and were unlucky to lose. (21.3)
Some people think it's unlucky to walk under ladders. (35.1)