no

Meaning not any or not one; indicating the absence or non-existence of something.

• There are no tickets left for the concert. — There are zero tickets available.
• She has no fear of heights. — She is completely unafraid of heights.

Used to express a negative statement or to give a negative answer.

• I can no longer tolerate this behavior. — I cannot put up with this behavior anymore.
• He is no better than before. — He has not improved.

Used as a spoken word to express disagreement, denial, or refusal, or to give a negative reply to a question.

• No, I don't agree with that proposal. — An expression of disagreement.
• Do you want to come? No. — A negative answer to a question.