irrefragible

== English == === Adjective === irrefragible (comparative more irrefragible, superlative most irrefragible) (proscribed) Alternative spelling of irrefragable. 1957 (2012), Arthur C. Clarke, "The Next Tenants", Tales from the "White Hart", RosettaBooks, →ISBN "I suppose not," replied Harry, with that air of irrefragible innocence which is so disconcerting to his critics.