catholicity catholicist • catholicize · · · Info · Definitions · Synonyms · Characters · · catholicity · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the beliefs and practices of a Catholic Church. Synonyms: Catholicism, Catholicity. · · Noun Definition 1 (noun) the quality of being universal; existing everywhere. Synonyms: universality. · · Noun Definition 2 Synonyms · · · universality · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F t latin small letter t U+0074 y latin small letter y U+0079