Definition of magnum opusnext
as in masterpiece
something (as a work of art) that is a great achievement and often its creator's greatest achievement this symphony is usually considered Beethoven's magnum opus

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of magnum opus And Kansas City’s 5-1 rout of Louisville Racing FC on Wednesday night may be the team’s magnum opus. Christian Marshall, Kansas City Star, 30 July 2026 Smith was already at Primavera to play — The Cure headlined the festival on Friday, their first show since their 2024 magnum opus Songs of a Lost World, one of their best albums ever. Rob Sheffield, Rolling Stone, 8 June 2026 Across the lagoon, the domes and facades of St Marks look like a set designer’s magnum opus. Grace Banks, Forbes.com, 21 Apr. 2026 This research wouldn't have been possible with a quirk of the cosmos first posited by Albert Einstein in his 1915 magnum opus theory of gravity, general relativity. Robert Lea, Space.com, 14 Apr. 2026 See All Example Sentences for magnum opus
Recent Examples of Synonyms for magnum opus
masterpiece
Noun
  • Among the top highlights was the Bugatti Destrier, a one-off, 1,578-horsepower coachbuilt masterpiece derived from the Bolide, blending outrageous performance with elegant design.
    Josh Max, Forbes.com, 17 Aug. 2026
  • The next day, thieves in Sicily managed to nab four more masterpieces.
    Brittney Melton, NPR, 17 Aug. 2026

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Cite this Entry

“Magnum opus.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/magnum%20opus. Accessed 23 Aug. 2026.

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