from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not one or the other; not either: Neither shoe feels comfortable.
  • pro. Not either one; not the one or the other: Neither of the twins is here. Neither will do. Neither of them is incorrect.
  • conj. Not either; not in either case. Used with the correlative conjunction nor: Neither we nor they want it. She neither called nor wrote. I got neither the gift nor the card.
  • conj. Also not: If he won't go, neither will she.
  • adv. Similarly not; also not: Just as you would not, so neither would they.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • not one of two; not either
  • pro. not either one
  • conj. not either (used with nor)
  • adv. similarly not

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not either; not the one or the other.
  • conj. Not either; generally used to introduce the first of two or more coördinate clauses of which those that follow begin with nor.

from The Century Dictionary and Cyclopedia

  • Not either. See either.
  • Not one or the other. See either, pron.
  • Not either; not in either case: a disjunctive conjunction (the negative of either), preceding one of a series of two or more alternative clauses, and correlative with nor (or, formerly, neither or ne) before the following clause or clauses.
  • Not in any case; in no case; not at all: used adverbially for emphasis at the end of the last clause, when this already contains a negative.
  • And not; nor yet.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not either; not one or the other


Middle English, from Old English nāwther, nāhwæther (influenced by æghwæther, ægther, either) : , not; see ne in Indo-European roots + hwæther, which of two; see kwo- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Alteration (after either) of nauther, from Old English nawþer, contraction of nahwæþer, corresponding to no + whether. (Wiktionary)



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  • Neither one of us had lunch. Daniel

    February 15, 2007

  • February 15, 2007