blau

\blaʊ̯\

/\blaʊ̯\/ adj

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

The verdict

“blau” is uncommon French (frequency #72,964 among 4,251 “B” headwords), classed as an adjective. The kind of spelling people second-guess.

#72,964
frequency rank, French
4,251
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Bleu, de couleur bleue.

Corpus desk

Index FR-blau · blau · French

blau · rank #72,964 · 0 variants · 0 confusables

  • FREQ-RARE #72,964
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,251
  • PHOTO-FINISH blagounette

Nearest frequency peer: blagounette (-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 « blau »

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for blau
PropertyValue
Headwordblau
LanguageFrench
Part of speechAdjective
IPA\blaʊ̯\
Letters4
Frequency rank#72,964
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « blau » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).blautombe 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: « blagounette » (#72,963), « bleuâtre » (#72,965), « biopsies » (#72,962). Parmi 4,251 lemmes en « B », « blau » est au #72,964. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

blau is uncommon French at frequency #72,964 among 4,251 “B” headwords, classed as anadjective, transcribed \blaʊ̯\. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for blau in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is blau, spelled B-L-A-U.

Definition

  1. 1
    Bleu, de couleur bleue.
  2. 2
    Ivre, saoul, soûl, gris, noir.

Recorded use

Wiktionary examples

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

  1. Dieses Haus ist blau.
  2. Blaues Lackmuspapier ist für den Test von Säuren geeignet. Bei Kontakt mit sauren Flüssigkeiten verfärbt es sich rot.

Synonyms

besoffenbetrunkenvollzubenebeltangesäuselteinen Affen habenzyanotisch

Antonyms

nüchternfittopfitgebratengegrillt

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 "blau"?
"blau" is spelled B-L-A-U. The IPA pronunciation is \blaʊ̯\.
What does "blau" mean?
As an adjective, "blau" means: Bleu, de couleur bleue.
How do you pronounce "blau"?
The IPA (International Phonetic Alphabet) transcription for "blau" is \blaʊ̯\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "blau" come from?
"blau" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "blau", not the corpus desk frequency band.

Same letter count

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

bloy#72,966aver#72,935asco#72,926arlo#72,923

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

Source: FrequencyWords open word-frequency list