/ Dictionary / Index P Paul IV: Meaning and Definition of Find definitions for: Paul IV Pronunciation: [key] (Gian Pietro Caraffa) 1476–1559, Italian ecclesiastic: pope 1555–59. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Paul III Paul V Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language