papal infallibility papal cross • papal nuncio · · · Info · Definitions · Characters · · papal infallibility · · Text Common · · Latin · · Scripts 19 · · Length 8 · · Syllables Definitions · · · (noun) belief of the Roman Catholic Church that God protects the pope from error when he speaks about faith or morality. Synonyms: papal infallibility. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 t latin small letter t U+0074 y latin small letter y U+0079