part of speech: adjective

definition 1: one or the other of two.

  • You may choose either the pie or the cake.

definition 2: each of two.

  • There are pillows on either side of the bed.


part of speech: pronoun

definition: one or the other.

  • I don’t want either.


part of speech: conjunction

definition: used to show a choice (followed by “or”).

  • You can either go or stay.


part of speech: adverb

definition: also; likewise.

  • If you don’t want dessert, I don’t either.