Best wishes vs Good luck vs Let’s break a leg

When to use each in English, with meaning, register, and examples.

Best wishes

Top 2,000 (common)

Good luck

Top 1,000 (very common)

Let’s break a leg

InformalTop 3,000 (common)
Most common: Good luck
 Best wishesGood luckLet’s break a leg
Pronunciation🇬🇧 //bɛst ˈwɪʃɪz//🇺🇸 //bɛst ˈwɪʃɪz//🇬🇧 //ɡʊd lʌk//🇺🇸 //ɡʊd lʌk//🇬🇧 //lɛts breɪk ə lɛg//🇺🇸 //lɛts breɪk ə lɛg//
MeaningA way to say good luck or express hope for someone's happiness.I hope you succeed or have a good outcome.Good luck
ExampleThank you for your support, and best wishes for your future endeavors.I know you have a big presentation today, so good luck!Before she went on stage, her friends said, 'Let’s break a leg!'
RegisterNeutralNeutralInformal
How commonTop 2,000 (common)Top 1,000 (very common)Top 3,000 (common)
Collocationssend best wishes, best wishes for, give best wisheswish good luck, send good luck, give good luckbreak a leg before, let's break a leg, wish to break a leg
Antonyms-bad luck, misfortune, ill fortune, unluckiness-
Common mistakesConfusing with 'best wishes to you' which is less common., Using it in overly formal settings where something else is preferred., Not capitalizing the phrase when used at the beginning of a note.Used inappropriately in formal situations., Confused with 'good lucking' which is incorrect.Misunderstanding it as a request for physical harm., Using it in serious contexts where encouragement is not appropriate., Not knowing it is mainly used for performances.
Usage notesUse 'best wishes' in friendly or formal contexts. It’s appropriate in letters, cards, or when wishing someone well. Avoid in very casual settings.Commonly used to wish someone success. Suitable for various contexts but avoid in formal settings like job interviews.Use in casual contexts to wish someone good luck, especially before performances. Avoid in formal settings.

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Best wishes
Good luck

Frequently asked questions: Best wishes vs Good luck vs Let’s break a leg

What's the difference between Best wishes, Good luck, and Let’s break a leg?

Best wishes: A way to say good luck or express hope for someone's happiness. Good luck: I hope you succeed or have a good outcome. Let’s break a leg: Good luck

Which is more common: Best wishes, Good luck, and Let’s break a leg?

Good luck is the most common in everyday English.

Can you show an example of each?

Best wishes: Thank you for your support, and best wishes for your future endeavors. Good luck: I know you have a big presentation today, so good luck! Let’s break a leg: Before she went on stage, her friends said, 'Let’s break a leg!'

Can I use Best wishes, Good luck, and Let’s break a leg interchangeably?

Not always. Best wishes, Good luck, and Let’s break a leg are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.