Good luck vs Good luck with that

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

Good luck

Top 1,000 (very common)

Good luck with that

InformalTop 2,000 (common)
Most formal: Good luckMost common: Good luck
 Good luckGood luck with that
Pronunciation🇬🇧 //ɡʊd lʌk//🇺🇸 //ɡʊd lʌk//🇬🇧 //ɡʊd lʌk wɪð ðæt//🇺🇸 //ɡʊd lʌk wɪð ðæt//
MeaningI hope you succeed or have a good outcome.I hope things go well for you.
ExampleI know you have a big presentation today, so good luck!I heard you're starting a new job. Good luck with that!
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 2,000 (common)
Collocationswish good luck, send good luck, give good luckwish someone luck, throw someone good luck, send luck
Antonymsbad luck, misfortune, ill fortune, unluckiness-
Common mistakesUsed inappropriately in formal situations., Confused with 'good lucking' which is incorrect.Used inappropriately in serious contexts, Confused with 'best of luck' as a formal phrase, Misused as a direct command.
Usage notesCommonly used to wish someone success. Suitable for various contexts but avoid in formal settings like job interviews.Used to wish someone success, often sarcastically or lightheartedly. Not appropriate in serious situations.

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Good luck
Good luck with that

Frequently asked questions: Good luck vs Good luck with that

What's the difference between Good luck and Good luck with that?

Good luck: I hope you succeed or have a good outcome. Good luck with that: I hope things go well for you.

Which is more formal: Good luck and Good luck with that?

Good luck is the most formal of these.

Which is more common: Good luck and Good luck with that?

Good luck is the most common in everyday English.

Can you show an example of each?

Good luck: I know you have a big presentation today, so good luck! Good luck with that: I heard you're starting a new job. Good luck with that!

Can I use Good luck and Good luck with that interchangeably?

Not always. Good luck and Good luck with that 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.

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