Ir*ref"ra*ga*ble (?), a. [F. irr'efragable, L. irrefragabilis. See Refragable.]
Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence.
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Ir*ref"ra*ga*ble*ness, n. --
Ir*ref"ra*ga*bly, adv.
Syn. -- Incontrovertible; unanswerable; indisputable; unquestionable; incontestable; indubitable; undeniable; irrefutable.
© Webster 1913.