determiner: not any; not one
There were no seats left on the train.
interjection: used to express refusal, denial, or disagreement
No, I can't attend the meeting.
adverb: not at all; to no extent
He is no better than before.
noun: a negative answer or vote
The proposal received a firm no.
adjective: used in compounds to indicate prohibition or absence
We waited in the no-smoking section.
