caesaropapism caesaropapacy • caesaropopism · · · Info · Definitions · Characters · · caesaropapism · · Text Latin · · Script 13 · · Length Definitions · · · (noun) the doctrine that the state is supreme over the church in ecclesiastical matters. Synonyms: Erastianism, Byzantinism, Caesaropapism. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073