Affirmative vs That's right

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

Affirmative

FormalBeyond 10,000 (less common)

That's right

Beyond 10,000 (less common)
Most formal: Affirmative
 AffirmativeThat's right
Pronunciation🇬🇧 //əˈfɜːmətɪv//🇺🇸 //əˈfɜːrmətɪv//🇬🇧 //ðæts raɪt//🇺🇸 //ðæts raɪt//
MeaningA word or phrase that means 'yes' or shows agreement.You are correct.
ExampleThe commander issued an affirmative response to the orders.You got the answer, that's right!
RegisterFormalNeutral
How commonBeyond 10,000 (less common)Beyond 10,000 (less common)
Collocationsaffirmative action, affirmative reply, make an affirmative statementthat's right, exactly, that's right, of course, that's right, you got it
Antonyms-That's wrong, Not correct, That's false
Common mistakesConfused with 'confirmation' - 'affirmative' specifically means agreement., Using it in informal contexts - better suited for formal situations.Using in a formal presentation, Confusing with 'that's correct', Overusing in conversations
Usage notesUse 'affirmative' in formal conversations or military communication when confirming something. Avoid in casual speech.Use to confirm someone’s statement. Avoid in formal writing or when disagreeing.

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Affirmative
That's right

Frequently asked questions: Affirmative vs That's right

What's the difference between Affirmative and That's right?

Affirmative: A word or phrase that means 'yes' or shows agreement. That's right: You are correct.

Which is more formal: Affirmative and That's right?

Affirmative is the most formal of these.

Can you show an example of each?

Affirmative: The commander issued an affirmative response to the orders. That's right: You got the answer, that's right!

Can I use Affirmative and That's right interchangeably?

Not always. Affirmative and That's right 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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