mithraism Mithraicize • Mithraism · · · Info · Definitions · Characters · · mithraism · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) ancient Persian religion; popular among Romans during first three centuries a.d.. Synonyms: Mithraism, Mithraicism. · · Noun Definition 1 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074