(a.) Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Irrefragable. Retrieved September 27, 2026, from http://smartdefine.org/irrefragable/definitions/2023730 |
| Chicago | Webster's. 2011. "Irrefragable" http://smartdefine.org/irrefragable/definitions/2023730 (accessed September 27, 2026). |
| Harvard | Webster's 2011, Irrefragable, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/irrefragable/definitions/2023730>. |
| MLA | Webster's. "Irrefragable" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/irrefragable/definitions/2023730> |