magnum opus

UK/ˌmæɡnəm ˈəʊpəs/US/ˌmæɡnəm ˈoʊpəs/

noun

A great or important work of literature, music or art, a masterpiece.

“The 1949 novel Nineteen Eighty-Four is widely considered to be George Orwell's magnum opus.”

Meanings

nounmagnum opus (plural magna opera or magnum opuses)

plural magna opera · plural magnum opuses

  1. The best, most popular, or most renowned achievement of an author or artist, representing their major life effort.

    The 1949 novel Nineteen Eighty-Four is widely considered to be George Orwell's magnum opus.

  2. alchemyThe process of working with the prima materia to create the philosopher's stone.

Synonyms & antonyms

nounA great or important work of literature, music or art, a masterpiece.

Origin

  1. Latinmagnum opus“great work”
  2. Englishmagnum opus

From Latin magnum opus (“great work”).

Full word history & related roots →

Translations

Danish mesterværk
  • mesterværkmasterpiece
Dutch meesterwerk
  • meesterwerkmasterpiece
Esperanto majstroverko, majstroverko
  • majstroverkomasterpiece
  • majstroverkothe greatest work of an author or artist
Finnish mestariteos, suurteos
  • mestariteosmasterpiece
  • suurteosmasterpiece
  • pääteosthe greatest work of an author or artist
French magnum opus, grand œuvre
  • magnum opusthe greatest work of an author or artist
  • grand œuvrethe greatest work of an author or artist
German Meisterwerk
  • Meisterwerkmasterpiece
Hindi शाहकार, शहकार
  • शाहकार (śāhkār)masterpiece
  • शहकार (śahkār)masterpiece
  • शाहपारा (śāhpārā)masterpiece
  • शहपारा (śahpārā)masterpiece
  • शाहकार (śāhkār)the greatest work of an author or artist
  • शहकार (śahkār)the greatest work of an author or artist
  • शाहपारा (śāhpārā)the greatest work of an author or artist
  • शहपारा (śahpārā)the greatest work of an author or artist
Indonesian mahakarya, adikarya
  • mahakaryamasterpiece
  • adikaryamasterpiece
Irish ardsaothar, ardsaothar
  • ardsaotharmasterpiece
  • ardsaotharthe greatest work of an author or artist
Italian capolavoro
  • capolavoromasterpiece
Japanese 代表作, 畢生の大作
  • 代表作 (daihyōsaku)masterpiece
  • 畢生の大作 (hissei no taisaku)the greatest work of an author or artist
Polish magnum opus, opus magnum
  • magnum opusmasterpiece
  • opus magnummasterpiece
  • magnum opusthe greatest work of an author or artist
  • opus magnumthe greatest work of an author or artist
Portuguese obra prima
  • obra primamasterpiece
Russian шедевр
  • шедевр (šedevr)masterpiece
Spanish obra maestra
  • obra maestramasterpiece
Swedish magnum opus, magnum opus
  • magnum opusmasterpiece
  • magnum opusthe greatest work of an author or artist
Thai ผลงานชิ้นเอก, ผลงานชิ้นเอก
  • ผลงานชิ้นเอก (pǒn-ngāan-chín-èek)masterpiece
  • ผลงานชิ้นเอก (pǒn-ngāan-chín-èek)the greatest work of an author or artist
Cite this entry
APA

magnum opus. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/magnum%20opus

MLA

“magnum opus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/magnum%20opus. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “magnum opus,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/magnum%20opus.

Source: magnum opus on Wiktionary, CC BY-SA 4.0.