Definition of not:

part of speech: adverb

A word which expresses denial or refusal.

Usage examples:

• Not that he or anybody else can tell me all about you- not by a long shot; I know boys and young men well enough for that. in "".

• Was not that it? Charles Weathers Bump in "The Mermaid of Druid Lake and Other Stories".

• No, not the blue. Charles Weathers Bump in "The Mermaid of Druid Lake and Other Stories".

• No- he could not tell now, at once, what he had come to tell her. Marie Belloc Lowndes in "Jane Oglander".