| masterpiece(noun, performance, good, work, triumph) | |
| work(noun, large, book, novel, profession) | |
| chef-d'oeuvre(noun, good) | |
| masterwork(noun, good, work, masterpiece) | |
| opus(noun, music, work, large, book) | |
| production | |
| tour de force(noun, work, achievement) | |
| creation(noun, work, invention, handiwork, concoction) | |
| achievement(noun, performance, prize, success, triumph) | |
| classic(noun, model) | |
| jewel(noun, work) | |
| master-work | |
| piece de resistance(noun, expression, idiom, performance, work) | |
| title | |
| tome(noun, large, book) | |
| best seller | |
| cairn(stone, remembrance, shrine, memorial, testimonial) | |
| career(profession, major, hobby) | |
| cenotaph(stone, remembrance, shrine, memorial, testimonial) | |
| claim to fame(expression, idiom, profession, major, hobby) |
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| APA | Smart Define. (2015). magnum opus thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/magnum_opus/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "magnum opus thesaurus" https://smartdefine.org/magnum_opus/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, magnum opus thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/magnum_opus/thesaurus/synonyms>. |
| MLA | Smart Define. "magnum opus thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/magnum_opus/thesaurus/synonyms> |