NEITHER
neither
(adjective) not either; not one or the other
Source: WordNet® 3.1
Etymology
Determiner
neither
Not one of two; not either.
Pronoun
neither
Not either one of two.
Usage notes
Unlike the pronoun none, the pronoun neither is always singular.
Conjunction
neither
Not either (used with nor).
Adverb
neither (not comparable)
(conjunctive) Similarly not.
Usage notes
• There is considerable variation in the number of the verb employed with this construction.
Anagrams
• Therien, etherin, reineth, therein
Source: Wiktionary
Nei"ther ( or ; 277), a. Etym: [OE. neiter, nother, nouther, AS. naw,
nahwæ; na never, not + hwæ whether. The word has followed the form of
either. See No, and Whether, and cf. Neuter, Nor.]
Definition: Not either; not the one or the other.
Which of them shall I take Both one or neither Neither can be
enjoyed, If both remain alive. Shak.
He neither loves, Nor either cares for him. Shak.
Nei"ther, conj.
Definition: not either; generally used to introduce the first of two or
more coördinate clauses of which those that follow begin with nor.
Fight neither with small nor great, save only with the king. 1 Kings
xxii. 31.
Hadst thou been firm and fixed in thy dissent, Neither had I
transgressed, nor thou with me. Milton.
When she put it on, she made me vow That I should neither sell, nor
give, nor lose it. Shak.
Note: Neither was formerly often used where we now use nor. "For
neither circumcision, neither uncircumcision is anything at all."
Tyndale. "Ye shall not eat of it, neither shall ye touch it." Gen.
iii. 3. Neither is sometimes used colloquially at the end of a clause
to enforce a foregoing negative (nor, not, no). "He is very tall, but
not too tall neither." Addison. " `I care not for his thrust' `No,
nor I neither.'" Shak. Not so neither, by no means. [Obs.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition