irrationalité
\i.ʁa.sjɔ.na.li.te\
The verdict
“irrationalité” is uncommon French (frequency #63,864 among 3,561 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #63,864
- frequency rank, French
- 3,561
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Caractère irrationnel de quelque chose ; absence de rationalité.
Corpus desk
Index FR-irrationalite · irrationalité · French
irrationalité · rank #63,864 · 0 variants · 0 confusables
- FREQ-RARE #63,864
- LEN-MEGA 13 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,561
- PHOTO-FINISH IPv4
Nearest frequency peer: IPv4 (-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 « irrationalité »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- ippon
ippon
36,140 corpus weight
- IPv4
IPv4
36,138 corpus weight
- irrationali…
irrationalité
36,137 corpus weight
- itself
itself
36,135 corpus weight
- jauni
jauni
36,134 corpus weight
- Jeannin
Jeannin
36,133 corpus weight
What this shows Vue de longue queue: où « irrationalité » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | irrationalité |
| Language | French |
| Part of speech | Noun |
| IPA | \i.ʁa.sjɔ.na.li.te\ |
| Letters | 13 |
| Frequency rank | #63,864 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « irrationalité » en français
Rare enough to double-check
irrationalité is uncommon French at frequency #63,864 among 3,561 “I” headwords, classed as anoun, transcribed \i.ʁa.sjɔ.na.li.te\. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for irrationalité, suggesting the orthography follows predictable French patterns. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
This entry's etymology isn't recorded, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is irrationalité, spelled I-R-R-A-T-I-O-N-A-L-I-T-É.
Definition
- 1Caractère irrationnel de quelque chose ; absence de rationalité.
- 2État de ce qui est irrationnel, en parlant des nombres, des équations, etc.
Recorded use
Wiktionary examplesThese source excerpts show how irrationalité appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
L’irrationalité ne peut se définir qu’en fonction d’une raison idéalement posée.
[…] et il est important que la population prenne conscience du véritable danger que représente cette course folle vers la connaissance de l’avenir à l’aide de méthodes qui, en général, ne reposent sur aucun élément tangible et qui font montre d’irrationalité la plus totale.
Synonyms
Antonyms
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); 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 "irrationalité"?
What does "irrationalité" mean?
How do you pronounce "irrationalité"?
What language does "irrationalité" come from?
Is PlainSpell free to use?
Similar French words by spelling shape
Same letter count and similar misspelling depth for "irrationalité", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 13 letters (nearest by frequency rank).