Null (?), a. [L. nullus not any, none; ne not + ullus any, a dim. of unus one; cf. F. nul. See No, and One, and cf. None.] 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.