Unquestionable and Uncertain

Opposite meaning words

Unquestionable adjective - Not capable of being challenged or proved wrong.

Usage example: a person of unquestionable integrity

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Uncertain is an antonym for unquestionable in definite topic.

Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.

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Unquestionable is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Cite this Source

Uncertain and Unquestionable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unquestionable/uncertain

Unquestionable & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unquestionable/uncertain>.

Uncertain or Unquestionable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unquestionable/uncertain.

Google Ngram Viewer shows how "unquestionable" and "uncertain" have occurred on timeline