magnum opus

\maɡ.nɔ.m‿ɔ.pys\

/\maɡ.nɔ.m‿ɔ.pys\/ noun

The verdict

“magnum opus” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Grand œuvre, réalisation de la pierre philosophale.

Corpus desk

Index FR-magnum-opus · magnum opus · French

magnum opus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for magnum opus
PropertyValue
Headwordmagnum opus
LanguageFrench
Part of speechNoun
IPA\maɡ.nɔ.m‿ɔ.pys\
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « magnum opus » en français

magnum opusn'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

magnum opus is uncommon French outside the top frequency list, classed as anoun, transcribed \maɡ.nɔ.m‿ɔ.pys\. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for magnum opus, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is magnum opus, spelled M-A-G-N-U-M- -O-P-U-S.

Definition

  1. 1
    Grand œuvre, réalisation de la pierre philosophale.
  2. 2
    Grand œuvre, chef-d’œuvre représentant l’accomplissement de la vie d’un artiste.

Recorded use

Wiktionary example

These source excerpts show how magnum opus appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. En comparaison, rappelons, par exemple, que le magnum opus de Günther Anders, L’Obsolescence de l’homme moderne, publié en 1956 en Allemagne (soit deux ans avant The Human Condition), dut attendre 2002 pour se voir traduit et édité en France…

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "magnum opus"?
"magnum opus" is spelled M-A-G-N-U-M- -O-P-U-S. The IPA pronunciation is \maɡ.nɔ.m‿ɔ.pys\.
What does "magnum opus" mean?
As a noun, "magnum opus" means: Grand œuvre, réalisation de la pierre philosophale.
How do you pronounce "magnum opus"?
The IPA (International Phonetic Alphabet) transcription for "magnum opus" is \maɡ.nɔ.m‿ɔ.pys\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "magnum opus" come from?
"magnum opus" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list