null Meaning, Definition & Usage

  1. noun a quantity of no importance
    cypher; aught; zip; nil; nada; zero; nix; cipher; zilch; goose egg; zippo; nothing; naught.
    • it looked like nothing I had ever seen before
    • reduced to nil all the work we had done
    • we racked up a pathetic goose egg
    • it was all for naught
    • I didn't hear zilch about it
  2. adjective satellite lacking any legal or binding force
    void.
    • null and void

WordNet

Null adjective
Etymology
L. nullus not any, none; ne not + ullus any, a dim. of unus one; cf. F. nul. See No, and One, and cf. None.
Definitions
  1. Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
    Faultily faultless, icily regular, splendidly null, Dead perfection; no more. Tennyson.
Null noun
Definitions
  1. Something that has no force or meaning.
  2. That which has no value; a cipher; zero. Bacon.
Null transitive verb
Etymology
From null, a., or perh. abbrev. from annul.
Definitions
  1. To annul. Obs. Milton.
Null noun
Etymology
Etymol. uncertain.
Definitions
  1. One of the beads in nulled work.

Webster 1913