numéro un

\ny.me.ʁo œ̃\

/\ny.me.ʁo œ̃\/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“numéro un” is outside the top-ranked French vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency French
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Premier.

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)

Where “numéro un” sits in French frequency

numéro un falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The French entry for numéro un is 9 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \ny.me.ʁo œ̃\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "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.

This word in other languages

number one(English)

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.

Using “numéro un”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is N-U-M-É-R-O- -U-N - every other letter order is a misspelling in standard orthography.
  • Say it as \ny.me.ʁo œ̃\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list