Link to this page adjective: Impossible to refute or controvert; indisputable: irrefragable research. Which is not refuted; indisputable, obviously correct, incontrovertible. Not refragable; to not ever be gainsaid or rejected; never to be refuted or overthrown; irrefutable; unanswerable; incontestable; undeniable View More others: maybe not refragable; not capable of being broken-down or refuted; incontrovertible; undeniable; perhaps not confutable: since, an irrefragable argument; irrefragable research; an irrefragable opponent. Synonyms Unanswerable, indisputable, unquestionable, indubitable, irrefutable. View More Related Sources Definition for "irrefragable" Impossible to refute or controvert; indisputable: irrefragable research. View More Sentence for "irrefragable" Synonym for "irrefragable" Etymologically Related for "irrefragable" Same Context for "irrefragable"