opex

\ɔ.pɛks\

/\ɔ.pɛks\/ noun

The verdict

“opex” is uncommon French (frequency #52,241 among 1,642 “O” headwords), classed as a noun. The kind of spelling people second-guess.

#52,241
frequency rank, French
1,642
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Opération extérieure, intervention de l’armée d’un pays en dehors de son territoire national.

Corpus desk

Index FR-opex · opex · French

opex · rank #52,241 · 0 variants · 0 confusables

  • FREQ-RARE #52,241
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,642
  • PHOTO-FINISH Olivet

Nearest frequency peer: Olivet (-1 rank slots)

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.

Rangs de longue queue près de « opex »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « opex » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for opex
PropertyValue
Headwordopex
LanguageFrench
Part of speechNoun
IPA\ɔ.pɛks\
Letters4
Frequency rank#52,241
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « opex » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).opextombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « Olivet » (#52,240), « Ornithologie » (#52,242), « OLED » (#52,239). Parmi 1,642 lemmes en « O », « opex » est au #52,241. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

opex is uncommon French at frequency #52,241 among 1,642 “O” headwords, classed as anoun, transcribed \ɔ.pɛks\. Rarity is why readers land here mid-draft. Gloss: "Opération extérieure, intervention de l’armée d’un pays en dehors de son territoire national.".

No generated misspelling entries exist for opex in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No documented word history exists for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is opex, spelled O-P-E-X.

Definition

  1. 1
    Opération extérieure, intervention de l’armée d’un pays en dehors de son territoire national.

Recorded use

Wiktionary examples

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

  1. Cher Hervé, Tu as été membre du gouvernement de François Fillon. Tu étais alors Ministre de la Défense, un ministère régalien. Ce n’est pas un petit poste, d’autant plus que la France était et est encore engagée dans de multiples Opex (ndlr : opérations extéreures).
  2. Elle a actuellement quelque 1800 véhicules en « opex » (opération extérieure) en Afghanistan, au Liban, au Tchad, en Côte d’Ivoire, Somalie et ailleurs.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "opex"?
"opex" is spelled O-P-E-X. The IPA pronunciation is \ɔ.pɛks\.
What does "opex" mean?
As a noun, "opex" means: Opération extérieure, intervention de l’armée d’un pays en dehors de son territoire national.
How do you pronounce "opex"?
The IPA (International Phonetic Alphabet) transcription for "opex" is \ɔ.pɛks\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "opex" come from?
"opex" 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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "opex", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list