magnum opus

noun

1. a great work, especially the chief work of a writer or artist:

   Proust's magnum opus is Remembrance of Things Past.

magnum opus

noun

1. a great work of art or literature, esp the greatest single work of an artist

magnum opus

1. The most important work in a person's career, especially in literature, art, or scholarship: “ Moby Dickwas Melville 's magnum opus.” From Latin , meaning “great work.”

Word History and Origins

Origin of magnum opus¹

Borrowed into English from Latin around 1785–95

Word History and Origins

Origin of magnum opus¹

Latin