Not really vs Yeah no

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

Not really

InformalTop 2,000 (common)

Yeah no

InformalTop 3,000 (common)
Most common: Not really
 Not reallyYeah no
Pronunciation🇬🇧 //nɒt ˈrɪəli//🇺🇸 //nɑt ˈrɪəli//🇬🇧 //jɛː nəʊ//🇺🇸 //jɛ noʊ//
MeaningNot true or correct.A way to say no, but it sounds friendly.
ExampleWhen he said he was an expert, I thought, 'Not really'.Do you think he will come to the party?
RegisterInformalInformal
How commonTop 2,000 (common)Top 3,000 (common)
Collocationsnot really my thing, not really sure, not really interestedyeah no way, just yeah no, yeah no problem
Antonyms-definitely yes, absolutely, surely
Common mistakesUsing it in very formal writing or speeches., Confusing with 'not really' as a definitive answer instead of an expression of doubt.Used in formal situations., Confused with 'yeah' or 'no' alone., Mispronounced or said too quickly.
Usage notesUsed to express disagreement or doubt. Common in casual conversations, but may be too informal for formal settings.Use when you want to disagree casually. Often used in friendly conversations; not appropriate for formal settings.

See it in real clips

Not really
Yeah no

Frequently asked questions: Not really vs Yeah no

What's the difference between Not really and Yeah no?

Not really: Not true or correct. Yeah no: A way to say no, but it sounds friendly.

Which is more common: Not really and Yeah no?

Not really is the most common in everyday English.

Can you show an example of each?

Not really: When he said he was an expert, I thought, 'Not really'. Yeah no: Do you think he will come to the party?

Can I use Not really and Yeah no interchangeably?

Not always. Not really and Yeah 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.