unknown

\ʌn.nəʊn\

/\ʌn.nəʊn\/ adj

The verdict

“unknown” is uncommon French (frequency #50,566 among 456 “U” headwords), classed as an adjective. The kind of spelling people second-guess.

#50,566
frequency rank, French
456
“U” headwords

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

Corpus desk

Index FR-unknown · unknown · French

unknown · rank #50,566 · 0 variants · 0 confusables

  • FREQ-RARE #50,566
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 456
  • PHOTO-FINISH universaliste

Nearest frequency peer: universaliste (-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 « unknown »

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 « unknown » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unknown
PropertyValue
Headwordunknown
LanguageFrench
Part of speechAdjective
IPA\ʌn.nəʊn\
Letters7
Frequency rank#50,566
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « unknown » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).unknowntombe dans cette queue de rareté:

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

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Voisins rares de la même bande: « universaliste » (#50,565), « unissons » (#50,564), « Vallières » (#50,568). Parmi 456 lemmes en « U », « unknown » est au #50,566. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unknown is uncommon French at frequency #50,566 among 456 “U” headwords, classed as anadjective, transcribed \ʌn.nəʊn\. Rarity is why readers land here mid-draft. Gloss: "Ignoré, inconnu.".

No misspelling variants are generated for unknown in our index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

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 unknown, spelled U-N-K-N-O-W-N.

Definition

  1. 1
    Ignoré, inconnu.

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 "unknown"?
"unknown" is spelled U-N-K-N-O-W-N. The IPA pronunciation is \ʌn.nəʊn\.
What does "unknown" mean?
As an adjective, "unknown" means: Ignoré, inconnu.
How do you pronounce "unknown"?
The IPA (International Phonetic Alphabet) transcription for "unknown" is \ʌn.nəʊn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "unknown" come from?
"unknown" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "unknown", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list