Romanism Romanish • Romanist · · · Info · Definitions · Characters · · Romanism · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the beliefs and practices of the Catholic Church based in Rome. Synonyms: Roman Catholicism, papism. · · Noun Definition 1 Characters · · R latin capital letter r U+0052 a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073