American English

Definition of unlucky adjective from the Oxford Advanced American Dictionary



    (unluckier, unluckiest) You can also use more unlucky and most unlucky.
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  1. 1unlucky (to do something) having bad luck or happening because of bad luck; not lucky synonym unfortunate He was very unlucky not to win. If you're unlucky enough to get trapped in an elevator, remember not to panic. By some unlucky chance, her name was left off the list.
  2. 2unlucky (to do something) causing bad luck Some people think it's unlucky to walk under a ladder. Thirteen is often considered an unlucky number. opposite lucky
See the Oxford Advanced Learner's Dictionary entry: unlucky