Added 9 October 2026 unlucky /ʌnˈlʌki/ adjective Categories: Describing WordsRare Words In Latin: infēlix Wiktionary adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unlucky at Wordnik → Where our words come from → Having or bringing misfortune. Friday the 13th is an unlucky date Marked by or promising bad fortune. their business venture was doomed from the start Related Words: unfortunateill-fatedill-omenedill-starredhexedlucklessdoomedjinxedhaplessunhappyunsuccessfulmiserable Back to today's word