unluckier; unluckiest
1
: having bad luck
She was unlucky enough to get a flat tire on the way to her job interview.
He's been unlucky in love. [=he has had a series of bad romantic relationships]
2
: causing bad luck
Some people think that 13 is an unlucky number.
He thinks it's unlucky to have a black cat cross your path.
3
: resulting from bad luck
an unlucky accident
Cite this Entry
“Unlucky.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/unlucky. Accessed 19 Jun. 2026.
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