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
Sure is a synonym for surefire in certain topic. In some cases you can use "Sure" instead an adjective "Surefire", when it comes to topics like unerring, infallible, beyond dispute, absolutely certain.
Sure
Sure adjective - Not likely to fail.
Usage example: a sure cure for the winter blues—a week in the Bahamas
Surefire is a synonym for sure in inevitable topic. You can use "Surefire" instead an adjective "Sure".
Nearby Word: surely
Mutual synonyms
Cite this Source
Sure and Surefire. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/surefire/sure
Surefire & Sure. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/surefire/sure>.
Sure or Surefire. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/surefire/sure.
Google Ngram Viewer shows how "surefire" and "sure" have occurred on timeline