No vs Not

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

No

High-frequency chunkA1exclamation

Not

High-frequency chunkA1adverb
 NoNot
Pronunciation🇬🇧 /["/nəʊ/"]/🇺🇸 /["/nəʊ/"]/🇬🇧 /["/nɒt/"]/🇺🇸 /["/nɑːt/"]/
MeaningRefusal or disagreement.used to say something is false or not true
ExampleI asked if she wanted to join us, and she said no.I do not like olives.
RegisterNeutralNeutral
How commonHigh-frequency chunkHigh-frequency chunk
CEFR levelA1A1
Part of speechexclamationadverb
Collocationssay no, no way, no doubt, no problem, no harmnot available, not interested, not sure
Antonymsyesyes, affirmative
Common mistakesConfused with 'not', using 'no' in places where 'not' should be used., Inappropriately using 'no' when a softer response is better., Mispronouncing it in a way that sounds like 'know'.Placing 'not' incorrectly in a sentence., Confusing the contraction 'isn't' with 'not'.
Usage notesUse 'no' to reject something or indicate disagreement. It's appropriate in both formal and informal contexts. Avoid using it abruptly in sensitive situations to avoid coming off as rude.Use 'not' to negate statements in English. It's appropriate in both written and spoken contexts. Avoid using 'not' in overly formal writing where a more nuanced expression may be preferred.

Frequently asked questions: No vs Not

What's the difference between No and Not?

No: Refusal or disagreement. Not: used to say something is false or not true

Are No and Not the same CEFR level?

No: A1, Not: A1 on the CEFR scale.

What part of speech are No and Not?

No: exclamation, Not: adverb.

Can you show an example of each?

No: I asked if she wanted to join us, and she said no. Not: I do not like olives.

Can I use No and Not interchangeably?

Not always. No and Not 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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