no (Noun) — A negative. ex. "his no was loud and clear"
no (Noun) — The number designating place in an ordered sequence.
no (Noun) — A radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known.
no (Adjective) — (quantifier) used with either mass nouns or plural countable nouns for indicating a complete or almost complete lack or zero quantity of. ex. "we have no bananas" ex. "have you no decency?" ex. "did it with no help" ex. "I'll get you there in no time" ex. "no eggs left and no money to buy any"
no (Adverb) — Referring to the degree to which a certain quality is present. ex. "he was no heavier than a child"
no (Adverb) — Not in any degree or manner; not at all. ex. "he is no better today"
no (Adverb) — Used to express refusal or denial or disagreement etc or especially to emphasize a negative statement. ex. "no, you are wrong"
no (Interjection) — Indicates a negative response. ex. "no, I don't want any"