/ Dictionary / Index M Most Reverend: Meaning and Definition of Find definitions for: Most' Rev'erend Pronunciation: [key] the official form of address for cardinals, heads of religious orders, and certain prelates, as archbishops and bishops. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mostly most significant digit Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language