either: Meaning and Definition of

ei•ther

1. one or the other of two: You may sit at either end of the table.
2. each of two; the one and the other: There are trees on either side of the river.

1. one or the other: There are two roads into the town, and you can take either. Either will do.

1. (a coordinating conjunction that, when preceding a word or statement followed by the disjunctiveserves to emphasize the possibility of choice): or,

1. also; too; as well; to the same degree (used after negative clauses coordinated by and, or, or nor, or after negative subordinate clauses): He's not fond of parties, and I'm not either. If you don't come, she won't come either.