magnum opus magnum • Magnus · · · Info · Definitions · Characters · · magnum opus · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a great work of art or literature. Synonyms: magnum opus. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075