/ Dictionary / Index P papal infallibility: Meaning and Definition of Find definitions for: pa'pal infallibil'ity Pronunciation: [key] — Rom. Cath. Ch. Rom. Cath. Ch. the dogma that the pope cannot err in a solemn teaching addressed to the whole church on a matter of faith or morals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. papal cross papalism Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language