either is one of the 1000 most common headwords.
eight - either - elect

Pronunciation

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  • (UK) enPR: ī′thə(r) or ē′thə(r) IPA (key): /ˈaɪ.ðə(r)/ or /ˈiː.ðə(r)/
  • (US) IPA (key): /ˈaɪ.ðɚ/ or /ˈi.ðɚ/
  • (file)
  • (file)

Determiner

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Determiner
either

  1. (indefinite) (singular) (count) Any one out of two options.
    I can write with either hand.
    You can drink either tea or coffee.
    They can be used either alone or in groups.
    Few people liked it; most either ignored it or hated it.
  2. (definite) (singular) (count) Each or both from two options.
    The room has a door at either end.
    People were walking on either side of the road.
    I can't find either shoe. I have lost both shoes.
    I have a blue coat and a green coat. Either will keep me warm.
    There will still be problems in either of the following two cases.

Adverb

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Positive
either

Comparative
none

Superlative
none

  1. Used in negative statements to mean too or also.
    I don't like him and I don't like her either.
    I can't sing and I can't dance either.
    No other country has any real friends either.

Usage notes

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  • You use either to pick out one of two choices when it does not matter which one is chosen. When faced with more than two choices, you should use any.