sans faille
\sɑ̃ fay\
The verdict
“sans faille” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Sans défaut, sans faiblesse.
Corpus desk
Index FR-sans-faille · sans faille · French
sans faille · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | sans faille |
| Language | French |
| Part of speech | Adjective |
| IPA | \sɑ̃ fay\ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « sans faille » en français
Rare enough to double-check
sans faille is uncommon French outside the top frequency list, classed as anadjective, transcribed \sɑ̃ fay\. Rarity is why readers land here mid-draft. Gloss: "Sans défaut, sans faiblesse.".
sans faille doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
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 sans faille, spelled S-A-N-S- -F-A-I-L-L-E.
Definition
- 1Sans défaut, sans faiblesse.
Recorded use
Wiktionary exampleThese source excerpts show how sans faille appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Une amitié sans faille.
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.