What does lucky mean?
“Lucky” describes a person, event, or outcome that benefits from chance or good fortune. Saying that someone is lucky often means that they escaped an undesirable result or received an unexpectedly favorable opportunity: a missed train, a contest, a bargain, or a successful accident. The adjective can also modify a decision, break, guess, or charm, emphasizing that the result was especially favorable. In everyday use, it is warmer and more conversational than strictly formal words such as “fortunate,” though the two are often interchangeable. “Lucky” may suggest that a result depended partly on circumstances beyond the person’s control, while “fortunate” can describe a broader state of being favored by events. The word is especially common in congratulations, such as “Lucky you!” and in expressions involving luck, chances, and fortunate escapes.
adjectiveHaving or resulting from good fortune; favored by chance. It can also describe a chance or event that brings a favorable outcome.
- Having good fortune or being favored by chance.
- Indicating or resulting in a favorable outcome.
"She was lucky enough to find a seat just as the train arrived."
"We were lucky to avoid the traffic and arrive on time."
"The team made a lucky decision in the closing seconds of the match."
From luck to “lucky”: the word turns the ancient idea of chance into a spark of everyday good fortune.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does lucky come from?
The adjective “lucky” developed from the English word “luck,” which ultimately comes from Old Norse “luk,” meaning lot, chance, or outcome. The suffix “-y” was added to form an adjective indicating that someone or something is associated with good luck. English later developed related forms such as “luckless” and “unlucky,” reflecting both fortunate and unfortunate aspects of chance.
Related word forms
How lucky is actually used
“Lucky” is common in everyday speech and can express genuine good fortune, a fortunate escape, or a congratulatory comment. In informal contexts, it may also mean fortunate or favorable without implying that the outcome was entirely due to chance.