/ Dictionary / Index E either-or: Meaning and Definition of Find definitions for: ei•ther-or Pronunciation: (ē'ur ôr', ī'ur-), [key] — adj. allowing no equivocation; being limited in choice to two options: It's an either-or situation--you pay the bill or you lose the company's services. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. either EJ Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language