either

/ˈiːðər/
determiner
  1. One or the other of two people or things.
    • You can sit on either side of the table.
    • I don't like either color, so I'll choose a different one.
    • Either answer is correct.
Synonyms
Antonyms
pronoun
  1. One or the other of two possibilities.
    • I asked both of them, but neither could help — either would have been fine.
    • You can borrow either of my pens.
    • Either of the two routes will get you downtown.
adverb
  1. Used after a negative statement to mean 'also not' or 'as well'.
    • She didn't go to the party, and he didn't either.
    • If you're not going, I'm not going either.
    • I don't like coffee, and I don't like tea either.
  2. Used to introduce the first of two alternatives (often paired with 'or').
    • We can either walk or take the bus.
    • Either you finish your homework, or you can't watch TV.
    • Either she forgot, or she decided not to come.
What does "either" mean? | whatsthatwordmean | whatsthatwordmean