Translation guide
A great work, especially the greatest achievement of an artist or writer.
Referring to the most important or best work in someone's career.
Literally 'supreme masterpiece'. The most common and natural way to refer to an artist's magnum opus.
この小説は彼の最高傑作だ。
This novel is his magnum opus.
Means 'representative work'. Often used for the work that defines an artist, though it may not always imply the absolute best.
Literally 'lifelong great work'. A more literary and emphatic term, often used for a work that took a lifetime to complete.
この彫刻は彼の畢生の大作と言える。
This sculpture can be called his magnum opus.
この絵は彼女の代表作です。
This painting is her magnum opus.