Break a leg: meaning, examples and when to use it
Short answer: “Break a leg” is a way to say good luck, especially before a show or a performance. It is a kind wish, not a threat: “Break a leg tonight!”
What does “Break a leg” mean in English?
People say “break a leg” to someone who is about to perform, for example in a play, a concert or a talk. It sounds strange because the words are about an injury, but the meaning is only “I hope you do very well”. The origin of the phrase is not clear.
Examples of “Break a leg”
- Break a leg at your piano concert tonight!
Before a performance. - You are giving a speech today? Break a leg!
Before a talk. - I'm about to go on stage. — Break a leg!
A short answer from a friend.
When do you use “Break a leg”?
- Before a play, concert, speech or performance.
- To a friend who is nervous before something important.
- In speech and in messages.
Is “Break a leg” formal?
“Break a leg” is informal and friendly. It is best for a friend or a team before a performance. For a formal situation, say “good luck” or “I wish you success”.
Common mistakes with “Break a leg”
- It is only a good wish. Never use it as a threat.
- People do not usually say it for a test or a sports match. For those, say “good luck”.
- Say it before the performance, not after.
Similar expressions
- Similar wish: “good luck”. Related group: idioms for advice and encouragement.
Questions
What does “Break a leg” mean in English?
“Break a leg” is a way to say good luck, especially before a show or a performance. It is a kind wish, not a threat: “Break a leg tonight!”
Is “Break a leg” formal?
“Break a leg” is informal and friendly. It is best for a friend or a team before a performance. For a formal situation, say “good luck” or “I wish you success”.
Is “break a leg” rude?
No. It sounds strange, but it is a kind way to say good luck before a show.
When should I say “break a leg”?
Say it before a performance, such as a play, a concert or a talk.
Part of the English idioms guide and of idioms for advice and encouragement, in the 💬 Idioms tool. Đọc bằng tiếng Việt.
Written for English learners by the English for Fun team. How we write our lessons · Last updated 2026-11-05.