Certainty and Proposition

Opposite meaning words

Certainty noun - A state of mind in which one is free from doubt.

Show all Definitions

Proposition is an antonym for certainty.

Nearby Words: certain, certainly

Proposition noun - An idea that is the starting point for making a case or conducting an investigation.

Usage example: started the discussion with the simple proposition that no one ever does anything out of pure altruism

Show all Definitions

Certainty is an antonym for proposition.

mathematical certainty

mathematical proposition

Cite this Source

Proposition and Certainty. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/certainty/proposition

Certainty & Proposition. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/certainty/proposition>.

Proposition or Certainty. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/certainty/proposition.

Google Ngram Viewer shows how "certainty" and "proposition" have occurred on timeline