Irrefragable and Uncertain

Opposite meaning words

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

Usage example: the prosecutor painstakingly built an irrefragable case

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Uncertain is an antonym for irrefragable in topics: definite, beyond question.

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

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Irrefragable is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Cite this Source

Uncertain and Irrefragable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/irrefragable/uncertain

Irrefragable & Uncertain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/irrefragable/uncertain>.

Uncertain or Irrefragable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/irrefragable/uncertain.

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