Good job vs Nice work vs Thatta boy vs Well done

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

Good job

InformalTop 1,000 (very common)

Nice work

Top 2,000 (common)

Thatta boy

InformalBeyond 10,000 (less common)

Well done

InformalTop 2,000 (common)
Most formal: Nice workMost common: Good job
 Good jobNice workThatta boyWell done
Pronunciation🇬🇧 //ɡʊd dʒɒb//🇺🇸 //ɡʊd dʒɑb//🇬🇧 //naɪs wɜːk//🇺🇸 //naɪs wɜrk//🇬🇧 //ˈθætə bɔɪ//🇺🇸 //ˈθætə bɔɪ//🇬🇧 //wɛl dʌn//🇺🇸 //wɛl dʌn//
MeaningWell done!Good job or effort.A phrase used to praise someone for doing well.Good job or great work.
ExampleYou finished the project ahead of schedule—good job!You really put in a lot of effort on this project, nice work!You finished your homework all by yourself? Thatta boy!You completed the marathon! Well done!
RegisterInformalNeutralInformalInformal
How commonTop 1,000 (very common)Top 2,000 (common)Beyond 10,000 (less common)Top 2,000 (common)
Collocationsgood job on, good job at, give a good job, say good job, receive a good jobnice work ethic, nice work environment, nice work balancethat a boy, good job, nice work, way to go, keep it upwell done speech, well done style, well done cake, well done production
Common mistakesUsing with a negative tone, which confuses the meaning., Confusing with 'Good work' which may sound more professional., Not using in appropriate situations, like serious discussions.Using 'nice work' in overly formal situations., Confusing with 'good job'—not all contexts allow 'nice work'.Confused with 'that's a boy' which is less common and can sound patronizing., 'Thatta' is sometimes incorrectly written as 'that a'.Using 'well done' in formal contexts like business presentations., Confusing 'well done' with 'done well' as a complete sentence., Omitting the 'well' and saying only 'done'.
Usage notesUse in casual conversations to compliment someone's effort or work. Avoid in formal contexts, like presentations.Used to compliment someone's effort or achievement. Appropriate in casual and professional contexts. Avoid in formal written communication.Used in casual settings to encourage someone. It is friendly and warm but may not be suitable for formal situations.Used to praise someone's effort or achievement. Best used in casual conversations. Not suitable for formal settings.

See it in real clips

Good job
Nice work
Thatta boy
Well done

Frequently asked questions: Good job vs Nice work vs Thatta boy vs Well done

What's the difference between Good job, Nice work, Thatta boy, and Well done?

Good job: Well done! Nice work: Good job or effort. Thatta boy: A phrase used to praise someone for doing well. Well done: Good job or great work.

Which is more formal: Good job, Nice work, Thatta boy, and Well done?

Nice work is the most formal of these.

Which is more common: Good job, Nice work, Thatta boy, and Well done?

Good job is the most common in everyday English.

Can you show an example of each?

Good job: You finished the project ahead of schedule—good job! Nice work: You really put in a lot of effort on this project, nice work! Thatta boy: You finished your homework all by yourself? Thatta boy! Well done: You completed the marathon! Well done!

Can I use Good job, Nice work, Thatta boy, and Well done interchangeably?

Not always. Good job, Nice work, Thatta boy, and Well done 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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