numéro un

\ny.me.ʁo œ̃\

/\ny.me.ʁo œ̃\/ adj

The verdict

“numéro un” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency French
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Premier.

Corpus desk

Index FR-numero-un · numéro un · French

numéro un · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 numéro un
PropertyValue
Headwordnuméro un
LanguageFrench
Part of speechAdjective
IPA\ny.me.ʁo œ̃\
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « numéro un » en français

numéro unreste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

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

Rare enough to double-check

numéro un is uncommon French outside the top frequency list, classed as anadjective, transcribed \ny.me.ʁo œ̃\. Rarity is why readers land here mid-draft. Gloss: "Premier.".

No misspelling variants are generated for numéro un in our index, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is numéro un, spelled N-U-M-É-R-O- -U-N.

Definition

  1. 1
    Premier.

Recorded use

Wiktionary examples

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

  1. La gelée de mai avait compromis la récolte des sorbes et depuis déjà longtemps c'était le souci numéro un des griveleux.
  2. – Mon Dieu, c’est donc vrai… La police est venue me voir. Ils sont après toi, ils te recherchent… Des promeneurs ont retrouvé des corps dans une grotte. Deux. Assassinés. Ils m’ont dit que tu étais le suspect numéro un… Tous les journaux en parlent. Un tueur en série qu’ils disent… Fabio, ils t’appellent comme ça ! Le tueur…

This word in other languages

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 "numéro un"?
"numéro un" is spelled N-U-M-É-R-O- -U-N. The IPA pronunciation is \ny.me.ʁo œ̃\.
What does "numéro un" mean?
As an adjective, "numéro un" means: Premier.
How do you pronounce "numéro un"?
The IPA (International Phonetic Alphabet) transcription for "numéro un" is \ny.me.ʁo œ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "numéro un" come from?
"numéro un" 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