Faulty and Surefire

Faulty

Faulty adjective - Having a fault.

Surefire is an antonym for faulty.

Surefire

Surefire adjective - Not likely to fail.

Faulty is an antonym for surefire in unerring topic.
Cite this Source
Surefire and Faulty. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/faulty/surefire
Faulty & Surefire. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/faulty/surefire>.
Surefire or Faulty. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/faulty/surefire.
Google Ngram Viewer shows how "faulty" and "surefire" have occurred on timeline