Also found in: Legal.
Related to irrefragable: intransigent


Impossible to refute or controvert; indisputable: irrefragable evidence.

[Late Latin irrefrāgābilis : Latin in-, not; see in-1 + Latin refrāgārī, to oppose, resist; see bhreg- in Indo-European roots.]

ir·ref′ra·ga·bil′i·ty n.
ir·ref′ra·ga·bly adv.


not able to be denied or refuted; indisputable
[C16: from Late Latin irrefrāgābilis, from Latin ir- + refrāgārī to resist, thwart]
irˌrefragaˈbility, irˈrefragableness n
irˈrefragably adv


(ɪˈrɛf rə gə bəl)

not to be disputed or contested.
[1525–35; < Late Latin irrefragābilis= Latin ir- ir-2 + refragā(rī) to oppose + -bilis -ble]
ir•ref′ra•ga•bly, adv.


adj (form)unwiderlegbar
References in classic literature ?
La Fontaine, however, was declared conqueror, on account of his profound erudition and his irrefragable logic.
We have had, and may still have, worse things to tell of him; but none, we apprehend, so pitiably weak; no evidence, at once so slight and irrefragable, of a subtle disease that had long since begun to eat into the real substance of his character.
Tulliver was in his principle that water was water, and in the direct inference that Pivart had not a leg to stand on in this affair of irrigation, he had an uncomfortable suspicion that Wakem had more law to show against this (rationally) irrefragable inference than Gore could show for it.
When the mining first began, several rebels toward the East had tried profitlessly to buck this irrefragable game and had found they had battered their unyielding heads against an equally unyielding stone wall.
He never said, I discovered this adaptation or invented that combination; but showed the whole thing as if the Divine artificer had made it, and he had happened to find it; so modest he was about it, such a pleasant touch of respect was mingled with his quiet admiration of it, and so calmly convinced he was that it was established on irrefragable laws.
During this time Valentine, at once terrified and happy, after having embraced and thanked the feeble old man for thus breaking with a single blow the chain which she had been accustomed to consider as irrefragable, asked leave to retire to her own room, in order to recover her composure.
In response to a question about the launch at the same time of the "hunt for corruption" campaign led by Prime Minister Youssef Chahed, and the amnesty law on administrative corruption, the President of the Republic pointed out that this law is a presidential initiative and only targets competent officials who had executed direct and irrefragable instructions of the State at the time.
En reponse a une question sur le lancement au meme moment de " la chasse a la corruption " menee par le chef du gouvernement, Youssef Chahed, et la loi amnistiant la corruption administrative, le chef de l'Etat a souligne que cette loi est une initiative presidentielle et ne vise que les fonctionnaires competents ayant execute des instructions directes et irrefragable de l'Etat de l'epoque.
He reads in bifurcated maieutics in the literature of the age of Goethe, the concept of natality as it originates for Arendt in the inscrutable and irrefragable nature of divine creation and culminates in the hope for the public realm and the concept of worldliness that refers not to material or biological immanence but to the frailty of human affairs.
Sin ella proponerselo la santa madre ha hecho algunos intentos de explicacion" de "la inhabitacion divina, que ella sentia con una certidumbre tan irrefragable como la inhabitacion comun a todos los seres creados".
Les Marocains venus notamment de New York, du New Jersey, de la capitale federale Washington, du Connecticut, ou encore de la Californie, du Texas, de l'Illinois et de la Floride, ont souligne dans des declarations a la MAP leur attachement indefectible et inconditionnel a la marocanite du Sahara, et au droit irrefragable du Royaume a defendre son integrite territoriale.