sans faille

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sans faille

\sɑ̃ fay\
\sɑ̃ fot\
[sɑ̃ fot] France

Where it comes from

De sans et faille.

adjective

Sans défaut, sans faiblesse. Une amitié sans faille.

noun sans faute · sans-faute

Action impeccable. Son devoir est irréprochable, il a fait un sans faute.

adverb sans faute

Immanquablement, sans faillir. J’y serai demain sans faute.

In English

ironclad solid or certain
unwavering always on course and steady

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Cite this

MLA

"sans faille." Wiktionary, via Micwyn, micwyn.com/word/fr/sans%20faille. Accessed 6 Nov. 2026.

APA

sans faille. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fr/sans%20faille

Chicago

"sans faille." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fr/sans%20faille.

BibTeX

@misc{sans_faille_2026,
  title = {sans faille},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fr/sans%20faille},
  urldate = {2026-11-06}
}