Null

Part of speech: noun (n.)

1. Something that has no force or meaning.

2. That which has no value; a cipher; zero. Bacon. Null method (Physics.), a zero method. See under Zero.

Part of speech: noun (n.)

One of the beads in nulled work.

Part of speech: verb (v.)

To annul. [Obs.] Milton.

Part of speech: adjective (a.)

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.