Irrefragable
Irrefragable adjective - Not capable of being challenged or proved wrong.
Usage example: the prosecutor painstakingly built an irrefragable case
Unquestionable is a synonym for irrefragable in definite topic. In some cases you can use "Unquestionable" instead an adjective "Irrefragable", when it comes to topics like incontrovertible, undoubted, irrefutable, beyond question.
Unquestionable
Unquestionable adjective - Not capable of being challenged or proved wrong.
Usage example: a person of unquestionable integrity
Irrefragable is a synonym for unquestionable in incontrovertible topic. You can use "Irrefragable" instead an adjective "Unquestionable", if it concerns topics such as irrefutable.
Mutual synonyms
Related pairs
- clear and irrefragable
- clear and unquestionable
- positive and irrefragable
- positive and unquestionable
- certain and irrefragable
- certain and unquestionable
- definite and irrefragable
- definite and unquestionable
- conclusive and irrefragable
- conclusive and unquestionable
- absolute and irrefragable
- absolute and unquestionable
- sure and irrefragable
- sure and unquestionable
Cite this Source
Unquestionable and Irrefragable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/irrefragable/unquestionable
Irrefragable & Unquestionable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/irrefragable/unquestionable>.
Unquestionable or Irrefragable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/irrefragable/unquestionable.
Google Ngram Viewer shows how "irrefragable" and "unquestionable" have occurred on timeline