Irrefragable
(a.) Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence.
Similar Words:
Irreflection Irreflective Irrefragability Irrefragable Irrefrangibility Irrefrangible Irrefromable Irrefutable