The meaning of NOT is —used as a function word to make negative a group of words or a word. How to use not in a sentence.

NOT definition: 1. used to form a negative phrase after verbs like "be", "can", "have", "will", "must", etc…. Learn more.

NOT definition: (used to express negation, denial, refusal, or prohibition). See examples of not used in a sentence.

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Jul 17, 2026 · In this case not cannot appear after the verb; some authorities recommend placing it before to to avoid a split infinitive, but for most speakers the forms not to do and to not do are more …

No is often used to indicate a straightforward denial, refusal, or the absence of something, whereas not is typically used to negate a verb, adjective, or another adverb, forming the negative of a statement.

Not is often shortened to n't in spoken English, and added to the auxiliary or modal verb. For example, 'did not' is often shortened to 'didn't'.

NOT meaning: 1. used to form a negative phrase after verbs like "be", "can", "have", "will", "must", etc…. Learn more.

(used before a singular count noun) not even one (expressing emphasis about the lack of something):[~ + a/one + noun] He had not a penny to his name. Not a single missile got through the defense system.

Definition of not adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.