Surefire and Uncertain
Opposite meaning words
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
Uncertain is an antonym for surefire in topics: certain, inevitable, beyond dispute, absolutely certain, made certain.
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Nearby Words: uncertainty, uncertainly
Cite this Source
Uncertain and Surefire. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/surefire/uncertain
Surefire & Uncertain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/surefire/uncertain>.
Uncertain or Surefire. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/surefire/uncertain.
Google Ngram Viewer shows how "surefire" and "uncertain" have occurred on timeline