either

determiner
ei·ther
ī′''th''ər

Any one (of two).

Example

“You can have it in either colour.”

Other meanings

Each of two; both.
“There is a locomotive at either end of the train, one pulling and the other pushing.”
Any one (of more than two).

Related words

either way
either-handed
either-or
either-either
either-way offence
either do or die
me either

Example sentences

“It doesn't bother me either way.”
Tatoeba · AmarMecheri · CC0
“Maybe broccoli doesn't like you either.”
Tatoeba · ddnktr · CC0
“I wouldn't care either way.”
Tatoeba · shekitten · CC0

Word history

From Old English "ǣġhwæþer".

Where this comes from

This definition is adapted from “either” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.