Certain and Fallible

Certain

Certain adjective - Not likely to fail.
Usage example: chicken soup is grandma's certain cure for pretty much whatever ails you

Fallible is an antonym for certain.

Nearby Words: certainty, certainly

Fallible

Fallible adjective - Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings.

Certain is an antonym for fallible in able or prone to err topic.

Nearby Words: fallacy, fallibility

Both words in one sentence

  • Series / Law & Order Despite the implications of the show, most people in the criminal justice system, even the main characters themselves, are fallible and resort to stroking their own ego when pursuing or dropping charges upon certain criminals.
Cite this Source
Fallible and Certain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/certain/fallible
Certain & Fallible. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/certain/fallible>.
Fallible or Certain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/certain/fallible.
Google Ngram Viewer shows how "certain" and "fallible" have occurred on timeline