Definition of irrefragable in English:

irrefragable

adjective

  • Not able to be refuted or disproved; indisputable.

    • ‘So a supporter is by definition powerless; all he can do is make life hell for people and that, football has long agreed, is his irrefragable right.’
    • ‘There was the irrefragable need for the British to effect transfers of wealth to London on the Company's accounts as well as those of private agents, who were often Company employees.’
    • ‘What remains, then, is the results column: and the indisputable, ineluctable, irrefragable proof that money can buy success in sport.’
    incontrovertible, incontestable, undeniable, irrefutable, unassailable, beyond dispute, unquestionable, beyond question, indubitable, not in doubt, beyond doubt, beyond a shadow of a doubt, unarguable, inarguable, undebatable, unanswerable
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Origin

Mid 16th century: from late Latin irrefragabilis, from in- not + refragari oppose.

Pronunciation:

irrefragable

/ɪˈrɛfrəɡəb(ə)l/