infaillible

\ɛ̃.fa.jibl\

/\ɛ̃.fa.jibl\/ adj

The verdict

“infaillible” has 14 generated spelling variants in the French index at frequency #21,355. The variants make it a useful spelling check.

#21,355
frequency rank, French
3,561
“I” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qui est certain et immanquable.

Corpus desk

Index FR-infaillible · infaillible · French

infaillible · rank #21,355 · 14 variants · 0 confusables

  • FREQ-MID #21,355
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,561
  • PHOTO-FINISH indemne

Nearest frequency peer: indemne (-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.

Pairs de rang près de l'aimant d'erreurs « infaillible »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « infaillible » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for infaillible
PropertyValue
Headwordinfaillible
LanguageFrench
Part of speechAdjective
IPA\ɛ̃.fa.jibl\
Letters11
Frequency rank#21,355
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « infaillible »

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).infailliblese place ici:

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

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Dans la même bande de rareté figurent « indemne » (#21,354), « inhumain » (#21,356), « incomplet » (#21,353). Parmi 3,561 lemmes en « I », « infaillible » est au #21,355. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around infaillible (IPA \ɛ̃.fa.jibl\), anadjective. Corpus frequency is #21,355 among 3,561 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for infaillible, with forms such as "ifnaillible", "inafillible", and "infailible". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is infaillible, spelled I-N-F-A-I-L-L-I-B-L-E.

Definition

  1. 1
    Qui est certain et immanquable.
  2. 2
    Qui ne peut ni tromper, ni errer.
  3. 3
    Se dit du pape, qui doctrinalement ne peut se tromper.

Recorded use

Wiktionary examples

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

  1. Aussi, Nazira alla-t-elle, sur l'avis de sa mère, jeter une pincée de sel sur le feu. C'est un moyen infaillible pour faire revenir quelqu'un dans la maison.
  2. Quand deux hommes qui étaient là lui niaient quelque principe, il disait d'abord : Cela est certain, nous l'avons jugé ainsi; et nous sommes des juges infaillibles. Et comment, lui dis-je pour lors, êtes-vous des juges infaillibles ? Ne voyez-vous pas, reprit-il, que le Saint-Esprit nous éclaire ?

This word in other languages

Common misspellings

Also misspelled as:

  • ifnaillible
  • inafillible
  • infailible
  • infaililble
  • infaillbile
  • infaillibble
  • infaillibel
  • infailliblle
  • infaillilbe
  • infalilible
  • inffaillible
  • infiallible
  • innfaillible
  • nifaillible

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of infaillible - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ifnaillible2inafillible2infailible1infaililble2infaillbile2infaillibble1infaillibel2infailliblle1
Edit distance from "infaillible"

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 "infaillible"?
"infaillible" is spelled I-N-F-A-I-L-L-I-B-L-E. The IPA pronunciation is \ɛ̃.fa.jibl\.
What does "infaillible" mean?
As an adjective, "infaillible" means: Qui est certain et immanquable.
What are common misspellings of "infaillible"?
Common misspellings include "ifnaillible", "inafillible", "infailible", "infaililble", "infaillbile". The correct spelling is "infaillible".
How do you pronounce "infaillible"?
The IPA (International Phonetic Alphabet) transcription for "infaillible" is \ɛ̃.fa.jibl\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "infaillible" come from?
"infaillible" 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 "infaillible", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 11 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list