- not either, as of persons or things specified (usually followed by nor): Neither John nor Betty is at home.
- nor; nor yet; no more: Bob can’t go, and neither can I. If she doesn’t want it, neither do I.
- not either; not the one or the other: Neither statement is true.
- not either; not one person or the other; not one thing or the other: Neither of the suggestions will do. Neither is to be trusted.
- not one nor the other (of two); not eitherneither foot is swollen
- (as pronoun)neither can win
- (used preceding alternatives joined by nor)notneither John nor Mary nor Joe went
- another word for nor (def. 2)
- (sentence modifier) not standard another word for either (def. 4)
conj.Old English nawþer, contraction of nahwæþer, literally “not of two,” from na “no” (see no) + hwæþer “which of two” (see whether). Spelling altered c.1200 by association with either. Paired with nor from c.1300; earlier with ne. Also used in Old English as a pronoun. As an adjective, mid-14c.