Fallible and Surefire
Opposite meaning words
Fallible
Fallible adjective - Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings.
Nearby Words: fallacy, fallibility
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
Cite this Source
Surefire and Fallible. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fallible/surefire
Fallible & Surefire. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fallible/surefire>.
Surefire or Fallible. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fallible/surefire.
Google Ngram Viewer shows how "fallible" and "surefire" have occurred on timeline