Certain and Unbelieving

Opposite meaning words

Certain adjective - Known but not named.

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Unbelieving is an antonym for certain.

Nearby Words: certainty, certainly

Unbelieving adjective - Inclined to doubt or question claims.

Usage example: unbelieving scientists who demand that all phenomena be subjected to rigorous scientific scrutiny

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Certain is an antonym for unbelieving.

Cite this Source

Unbelieving and Certain. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/certain/unbelieving

Certain & Unbelieving. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/certain/unbelieving>.

Unbelieving or Certain. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/certain/unbelieving.

Google Ngram Viewer shows how "certain" and "unbelieving" have occurred on timeline