Irrefragable
Irrefragable adjective - Not capable of being challenged or proved wrong.
Usage example: the prosecutor painstakingly built an irrefragable case
Unchallengeable and irrefragable are semantically related in incontrovertible topic. In some cases you can use "Unchallengeable" instead an adjective "Irrefragable", when it comes to topics like irrefutable.
Unchallengeable
Unchallengeable adjective - Not capable of being challenged or proved wrong.
Usage example: the contention that there are certain unchallengeable rules governing proper grammar
Irrefragable and unchallengeable are semantically related in incontrovertible topic. You can use "Irrefragable" instead an adjective "Unchallengeable", if it concerns topics such as irrefutable.
Nearby Word: unchallenged
Mutual synonyms
Related pairs
- positive and irrefragable
- positive and unchallengeable
- certain and irrefragable
- certain and unchallengeable
- unquestionable and irrefragable
- unquestionable and unchallengeable
- conclusive and irrefragable
- conclusive and unchallengeable
- absolute and irrefragable
- absolute and unchallengeable
- sure and irrefragable
- sure and unchallengeable
- decisive and irrefragable
- decisive and unchallengeable
Cite this Source
Unchallengeable and Irrefragable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/irrefragable/unchallengeable
Irrefragable & Unchallengeable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/irrefragable/unchallengeable>.
Unchallengeable or Irrefragable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/irrefragable/unchallengeable.
Google Ngram Viewer shows how "irrefragable" and "unchallengeable" have occurred on timeline