either...or ...or

either...or ...or
either...or (...or) phrase
used for showing two or more possibilities or choices

You must answer either yes or no.

You can contact us either by phone, by email, or by letter.

When there’s a crisis, they either do nothing or do something totally useless.

Thesaurus: describing and relating to choices and choosinghyponym to choose someone or somethingsynonym
Main entry: either

Useful english dictionary. 2012.