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Meaning of NOT

Pronunciation:  nât

WordNet Dictionary
[adv]  negation of a word or group of words; "he does not speak French"; "she is not going"; "they are not friends"; "not many"; "not much"; "not at all"

NOT is a 3 letter word that starts with N.


Webster's 1913 Dictionary
  1. \Not\ [Contr. from ne wot. See 2d {Note}.]
    Wot not; know not; knows not. [Obs.] --Chaucer.
  2. \Not\, a.
    Shorn; shaven. [Obs.] See {Nott}.
  3. \Not\, adv. [OE. not, noht, nought, naught, the same word as
    E. naught. See {Naught}.]
    A word used to express negation, prohibition, denial, or
          Not one word spake he more than was need. --Chaucer.
          Thou shalt not steal.                    --Ex. xx. 15.
          Thine eyes are upon me, and I am not.    --Job vii. 8.
          The question is, may I do it, or may I not do it? --Bp.
    {Not . . . but}, or {Not but}, only. [Obs. or Colloq.]
Computing Dictionary

The boolean function which is true only if its input is false. Its truth table is:

 A | NOT A
 F |   T
 T |   F