No thanks vs Not interested vs Thanks but no

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

No thanks

Top 2,000 (common)

Not interested

InformalTop 2,000 (common)

Thanks but no

InformalCommon idiom
Most formal: No thanks
 No thanksNot interestedThanks but no
Pronunciation🇬🇧 //nəʊ θæŋks//🇺🇸 //noʊ θæŋks//🇬🇧 //nɒt ˈɪntrəstɪd//🇺🇸 //nɑt ˈɪntrəstɪd//🇬🇧 //θæŋks bʌt nəʊ//🇺🇸 //θæŋks bʌt noʊ//
MeaningUsed to politely refuse something.Don't want to know or be involved.I appreciate it, but I don't want it.
ExampleWould you like some dessert? No thanks.When he asked if I wanted to join the club, I replied that I was not interested.I really value your advice, but thanks but no.
RegisterNeutralInformalInformal
How commonTop 2,000 (common)Top 2,000 (common)Common idiom
Collocationsno thanks, say no thanks, give a no thanks, offer no thanks, respond with no thanksclearly not interested, not interested at all, seem not interested, generally not interested, not interested inthanks but no, thanks but no thanks, just say thanks but no
Common mistakesSaying 'no thank you' in very casual contexts, where 'no thanks' is preferred., Using 'no thanks' in very formal situations where a more elaborate response might be needed.Using it in a formal conversation where politeness is needed., Confusing it with 'not interested in' when specifying a subject., Overusing it when a softer response is more appropriate.Use it in very formal contexts where a more polite phrase is needed., Overuse it in situations where a detailed explanation might be better., Assume everyone understands it, leading to possible confusion.
Usage notesUse 'no thanks' when declining offers or suggestions politely. It's appropriate in most informal and some formal situations.Used in casual conversations to express disinterest. Avoid in formal situations. Can be blunt.Used in casual conversation to politely decline an offer or invitation. It's friendly but may sound dismissive in very formal situations.

See it in real clips

No thanks
Not interested
Thanks but no

Frequently asked questions: No thanks vs Not interested vs Thanks but no

What's the difference between No thanks, Not interested, and Thanks but no?

No thanks: Used to politely refuse something. Not interested: Don't want to know or be involved. Thanks but no: I appreciate it, but I don't want it.

Which is more formal: No thanks, Not interested, and Thanks but no?

No thanks is the most formal of these.

Can you show an example of each?

No thanks: Would you like some dessert? No thanks. Not interested: When he asked if I wanted to join the club, I replied that I was not interested. Thanks but no: I really value your advice, but thanks but no.

Can I use No thanks, Not interested, and Thanks but no interchangeably?

Not always. No thanks, Not interested, and Thanks but no 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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