not
/nɑt/
adverb
- Used to form the negative of verbs, adjectives, and other adverbs; meaning 'in no way' or 'to no degree'.
- I do not like cold weather.
- She is not ready to leave yet.
- They are not coming to the party tonight.
- Used as a short negative answer or to express refusal or denial.
- Will you help me? — Not today, I'm busy.
- Are you hungry? — Not really.
- Is that true? — Certainly not.
- Used with 'all', 'every', or 'both' to indicate a partial negative.
- Not both of them arrived on time.
- Not everyone agreed with the decision.
- Not all birds can fly.