Come again vs Say that again

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

Come again

Top 2,000 (common)

Say that again

InformalTop 1,000 (very common)
Most formal: Come againMost common: Say that again
 Come againSay that again
Pronunciation🇬🇧 //kʌm əˈgɛn//🇺🇸 //kʌm əˈɡɛn//🇬🇧 //seɪ ðət əˈɡɛn//🇺🇸 //seɪ ðæt əˈɡɛn//
MeaningPlease repeat what you just said.Repeat what you just said.
ExampleCould you come again? I didn’t catch that.Could you **say that again**? I didn't catch it.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 1,000 (very common)
Collocationscome again later, come again please, come again for claritysay that again please, can you say that again, I didn't hear you, say that again, say that again louder, please say that again
Antonymsgo away, leave-
Common mistakesUsing it in very formal situations where a more serious phrase is needed., Saying it too aggressively can come off as rude.Using it in formal conversations when it's not appropriate., Forgetting to use 'please' to sound more polite., Mispronouncing 'that' leading to confusion.
Usage notesUsed when asking someone to repeat something. It's polite but can be used in casual situations as well.Use this phrase when you want someone to repeat something. It’s casual and appropriate with friends, but can be seen as rude in formal situations.

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Come again
Say that again

Frequently asked questions: Come again vs Say that again

What's the difference between Come again and Say that again?

Come again: Please repeat what you just said. Say that again: Repeat what you just said.

Which is more formal: Come again and Say that again?

Come again is the most formal of these.

Which is more common: Come again and Say that again?

Say that again is the most common in everyday English.

Can you show an example of each?

Come again: Could you come again? I didn’t catch that. Say that again: Could you **say that again**? I didn't catch it.

Can I use Come again and Say that again interchangeably?

Not always. Come again and Say that again 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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