either meaning

• Adverb: either  eedhu(r) or Idhu(r)
  1. After a negative statement used as an intensive meaning something like 'likewise' or 'also'
     "he isn't stupid, but he isn't exactly a genius either"; "I don't know either"; "if you don't order dessert I won't either"
  Conjunction: either  eedhu(r) or Idhu(r)
  1. Used before two (or more) alternatives
     "you either passed or failed your test"

  Encyclopedia: Either

• either…or:    adv.a choice betwe ...
• either way:    In both of two cas ...
• either-or operation:    [Electronics]The l ...

Examples

1. i 'm afraid you have n't a very clear idea either.
2. you'd better cover the road on either side.
3. there was still time to go either way.
4. the contract was terminable by either party.
5. mary will not go and peter will not go either.