thomism thomisid • thomomys · · · Info · Definitions · Characters · · thomism · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) the comprehensive theological doctrine created by Saint Thomas Aquinas in the 13th century and still taught by the Dominicans. Synonyms: Thomism. · · Noun Definition 1 Characters · · h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074