Resulting or likely to result in misfortune; inauspicious. See Synonyms at unfortunate.(adjective)
Not producing the desired outcome; disappointing.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unlucky" in a sentence
"In fact, he appeared to suffer much more from what he termed my unlucky predicament than from his own mishaps."
"On a certain unlucky night Ned met McNair at my room."
"She let me alone, however; until one unlucky day – I do not mean to call it unlucky, either – when we had, as usual, compositions to write, and the theme given out was "Ruins.""