/ Dictionary / Index S Stephen IV: Meaning and Definition of Find definitions for: Stephen IV Pronunciation: [key] dieda.d.817, pope 816–817. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Stephen III Stephen V Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language