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

Define not. not synonyms, not pronunciation, not translation, English dictionary definition of not. expressing negation, denial, or prohibition: I will not answer your question. Not to be confused with: …

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

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

4 meanings: 1. a. used to negate the sentence, phrase, or word that it modifies b. (in combination) 2. → See not that 3. used.... Click for more definitions.

The adverb not is used for negation. Do you like drinking cod liver oil? No, I do not like drinking cod liver oil.

Dec 14, 2025 · In modern usage, do -support requires that the form do not ... (or don’t ...) be preferred to ... not for all but a short list of verbs (be, have, can, could, shall, should, will, would, may, might, must, …