/ Dictionary / Index O opposite prompt: Meaning and Definition of Find definitions for: op'posite prompt' Pronunciation: [key] — Chiefly Brit. Chiefly Brit.Theat. the offstage area to the right as one faces the audience. Abbr.: O.P. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. opposite number opposition 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