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
Surefire
Surefire adjective - Not likely to fail.
Usage example: pizza seems like a surefire choice for a food that everyone at the party will be happy with
Fail-safe and surefire are semantically related in dependable topic. You can use "Fail-safe" instead an adjective "Surefire", if it concerns topics such as infallible.
Mutual synonyms
Cite this Source
Surefire and Fail-safe. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fail-safe/surefire
Fail-safe & Surefire. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fail-safe/surefire>.
Surefire or Fail-safe. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fail-safe/surefire.
