What does the word Irrefragable mean?

Usage examples for Irrefragable

  1. The law surrounds the prisoner with a coat of mail, that only irrefragable proofs of guilt can pierce, and the law declares her innocent, unless the proof you have heard on her trial satisfies you, beyond a reasonable doubt, that she is guilty. – At the Mercy of Tiberius by August Evans Wilson
  2. In proof of this assertion he submits to the consideration of the reader a mass of irrefragable authority, and indisputable historical incidents. – Monks, Popes, and their Political Intrigues by John Alberger
  3. And even the little that Viola could communicate seemed, to the ignorant ascetic, irrefragable proof of sorcery and witchcraft; he had, indeed, previously heard some of the strange rumours which followed the path of Zanoni, and was therefore prepared to believe the worst; the worthy Bartolomeo would have made no bones of sending Watt to the stake, had he heard him speak of the steam- engine. – Zanoni by Edward Bulwer Lytton