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English definition of “either”

either

adverb     /ˈaɪ.ðər/ /ˈiː-/ US  /-ðɚ/
B1 used in negative sentences instead of 'also' or 'too': I don't eat meat and my husband doesn't either. "I've never been to the States ." "I haven't either." They do really good food at that restaurant and it's not very expensive either.Also, extra, and in addition Grammar:EitherEither is a determiner, a pronoun, an adverb or a conjunction.Grammar:Either as a determinerGrammar:Either as a pronounWe can use either as a pronoun:Grammar:Either as an adverbWe can use either as an adverb after a negative verb:Grammar:Either as a conjunctionWe can use either with or as a conjunction to connect two clauses:
(Definition of either adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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