/ Dictionary / Index B Boniface V: Meaning and Definition of Find definitions for: Boniface V Pronunciation: [key] died a.d. 625, pope 619–625. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Boniface IV Boniface VI Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language