Fail-safe and Fallible

Fail-safe

Fail-safe adjective - Not likely to fail.
Usage example: men have traditionally regarded flowers as the fail-safe gift for Valentine's Day
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Synonyms for Fail-safe

Fallible is an antonym for fail-safe.

Fallible

Fallible adjective - Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings.

Fail-safe is an antonym for fallible.

Nearby Words: fallacy, fallibility
Cite this Source
Fallible and Fail-safe. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fail-safe/fallible
Fail-safe & Fallible. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fail-safe/fallible>.
Fallible or Fail-safe. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fail-safe/fallible.