- The greatest single work of an artist, writer, or composer.
- A great work, especially the chief work of a writer or artist
|The Hound of Baskervilles is the magnum opus of Sir Arthur Conan Doyle|
- 'Bahubali' Rajamouli's magnum opus is a classic example of captivating storytelling.
- Sir Arthur Conan Doyle’s magnum opus has been radically redefined while still keeping to his roots and that in itself is amazing.