- (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/
- (indefinite) (singular) (count) Any one out of two options.
- I can write with either hand.
- You can drink either tea or coffee.
- Either it is or it isn't.
- They can be used either alone or in groups.
- Few people liked it; most either ignored it or hated it.
- (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.
- After a list of two negatives (phrases with "not" in), this means "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.
- I do not eat fish and I do not eat seafood either.
- No other country has any real friends either.
Either is used for a list of two things. If the list has more than two items in it, you should use "any".