Don't tell me vs Not interested

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

Don't tell me

InformalTop 2,000 (common)

Not interested

InformalTop 2,000 (common)
 Don't tell meNot interested
Pronunciation🇬🇧 //dəʊnt tɛl miː//🇺🇸 //doʊnt tɛl mi//🇬🇧 //nɒt ˈɪntrəstɪd//🇺🇸 //nɑt ˈɪntrəstɪd//
MeaningI don't want to hear about it.Don't want to know or be involved.
ExampleDon't tell me what happened at the party!When he asked if I wanted to join the club, I replied that I was not interested.
RegisterInformalInformal
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsdon't tell me the truth, don't tell me anything, don't tell me moreclearly not interested, not interested at all, seem not interested, generally not interested, not interested in
AntonymsTell me, Inform me, Reveal to me-
Common mistakes'Don't tell me' used in too formal a context., Misunderstanding it as a question rather than an expression., Not using it with proper intonation can change its meaning.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.
Usage notesCommonly used in casual conversations to express disbelief or exasperation. It may sound dismissive and is not suitable for formal situations.Used in casual conversations to express disinterest. Avoid in formal situations. Can be blunt.

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Don't tell me
Not interested

Frequently asked questions: Don't tell me vs Not interested

What's the difference between Don't tell me and Not interested?

Don't tell me: I don't want to hear about it. Not interested: Don't want to know or be involved.

Can you show an example of each?

Don't tell me: Don't tell me what happened at the party! Not interested: When he asked if I wanted to join the club, I replied that I was not interested.

Can I use Don't tell me and Not interested interchangeably?

Not always. Don't tell me and Not interested 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.