Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Impossible to refute or controvert; indisputable: irrefragable evidence.
Century Dictionary and Cyclopedia
- Not refragable; incapable of being broken down or refuted; incontrovertible; undeniable; not confutable: as, an irrefragable argument; irrefragable evidence; an irrefragable opponent.
- Synonyms Unanswerable, indisputable, unquestionable, indubitable, irrefutable.
Wiktionary
- adj. Which cannot be refuted; indisputable, clearly right, incontrovertible.
GNU Webster's 1913
- adj. Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; irrefutable; unanswerable; incontestable; undeniable.
Etymologies
- 16th century. From Latin irrefrāgābilis, from refrāgor ("oppose, contest"). (Wiktionary)
- Late Latin irrefrāgābilis : Latin in-, not; see in-1 + Latin refrāgārī, to oppose, resist; see bhreg- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“By proofs exactly of the same linguistic kind as those by which the modern Spanish, French, and other Latin dialects can be shown to have all radiated from Rome as their centre, the old traditions of the eastern origin of all the chief nations of Europe have been proved to be fundamentally true; for by evidence so "irrefragable" (to use the expression of the Taylorian professor of modern languages at Oxford), that "not an English jury could now-a-days reject it," Philological Archæology has shown that of the three great families of mankind -- the Semitic, the Turanian, and the”
“Responding to the concern that the courts had placed too rigid a test on whistleblowers -- a key precedent demands that an employee have access to "irrefragable proof" before being eligible for protection -- the 111th Congress revised the act so that the test is "whether a disinterested observer with knowledge of the essential facts" could conclude with the whistleblower that the alleged violations were made.”
The Huffington Post: Feisal G. Mohamed: "See Something, Say Something" And Impunity for Profiling
“` The fact, man, the irrefragable fact! 'of Ernest's was ringing in my consciousness.”
“Confine yourself to the Fact, man, to the irrefragable Fact.”
“He was an earth-man in his devotion to the irrefragable fact, and his logic was admirable though frosty.”
“` The fact, man, the irrefragable fact! 'he would proclaim triumphantly, when he had brought one of them a cropper.”
“I only knew love, the divine and irrefragable fact, that is all.”
“Barleycorn sends his White Logic, the argent messenger of truth beyond truth, the antithesis of life, cruel and bleak as interstellar space, pulseless and frozen as absolute zero, dazzling with the frost of irrefragable logic and unforgettable fact.”
“But -- and the everlasting, irrefragable fact remains: HER FEET ARE BEAUTIFUL, HER EYES ARE”
“This cannot be gainsaid since it is proven by irrefragable testimony, and it has been demonstrated that after witches in the form of cats have been seen to attack children, blood is noticed to trickle and trill from wounds, although they may be very small, and accordingly the Devil hath been busy here.”
Lists
These user-created lists contain the word ‘irrefragable’.
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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250 Cherry-Picked Words
Juicy words for the intermediate and advanced speller
consomme, miniaceous, nankeen, smaragdine, stramineous, vitellary, allemande, beguine, bransle, charabanc, margaritaceous, chaconne and 238 more...
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phrontistery - i
from phrontistery.info
iamatology, iamb, ianthine, iatraliptic, iatramelia, iatrarchy, iatrochemistry, iatrogenic, iatrology, iatromathematics, iatrophobia, ibidem and 510 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6691 more...
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difficult words
ordure, tatterwallop, callipygian, odious, colophon, cynosure, hardener, emollience, valetudinarian, demonym, volage, polysemantic and 257 more...
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five syllables
ontogenesis, phylogenesis, concatenation, androgenesis, extra textual, inexorably, spagyrically, apophenia, iatrochemist, monocotyloid, morphological, parthenogenic and 941 more...
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The Aubrey/Maturin List I'm Gonna Mak...
I'm wading through Patrick O'Brian's Aubrey/Maturin novels one by one, and someday, I'll wade through them again and list all the words I learned while reading them.
Edit: I started ma...studdingsail, carronade, mumchance, grumlin-futtocks, crosscat-harpings, holystone, sennit, orlop, orchitis, negus, kevel, altumal and 1112 more...
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Verba Dilecta
delectable, notate, pauciloquy, paucity, pauciloquent, paucify, interscapilium, uropygium, inferna, nota, equipollent, prepollent and 677 more...
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Just 'cause I like 'em, I
irenic, inimical, ignotism, infrangible, internecine, illumine, ingot, imposter, iconoclast, indefeasible, indefatigable, impingement and 184 more...
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Words to Try to Use in Colloquial Spe...
surquedry, equivocate, putative, turgid, congeries, irrefragable, quiddity, zaftig, flagitious, bloviate, perfidy, compendious and 227 more...
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List Erine
cool mint antiseptic
shalom, cattywampus, bourgeoisie, aerophile, traverse, grotto, epicurean, ex cathedra, nautilus, epitaph, lathe, continuum and 753 more...
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ADW1
obdurate, obstinate, behest, injunction, enjoin, circumspect, ensconce, discursive, lugubrious, doleful, somber, ken and 2476 more...
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Dictionary.com Words of the Days of 2000
1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008
segue, palimpsest, bête noire, farrago, expatiate, nadir, protean, fulsome, constitutional, quondam, sinecure, vainglory and 324 more...
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Papageno's Words, Pt. I
hobbledehoy, absquatulate, chthonic, prolix, ululate, internecine, verisimilitude, animadversion, concupiscence, vertiginous, cucullate, lucubrate and 1554 more...
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Adjectival Arcana
A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
unitegmic, acaulescent, reticuloendothelial, ingressive, uniate, acanthopterygian, ossific, epiphysial, perivisceral, acœlomatous, cestoid, acælomate and 7756 more...
Tweets
Looking for tweets for irrefragable.

Jubjub I fragged you! No take-backs! Dec 22, 2009
bilby "This organization, which is as clear and universal as if it were indeed the expression of an irrefragable law, has at its central pole, pain instead of pleasure. The pain of sexual frustration, of repressed tenderness, of denied curiosity, of isolation in the ego, of greed, suppressed rebellion, of hatred poisoning all love and generosity, permeates our sexuality. What we love we destroy. Censorship is the outward and continuing expression of this distortion of the human erotic faculty."
- 'The Wet Dream Film Festival', Germaine Greer in Suck, 1971. Apr 2, 2008
chained_bear "'I assert nothing, Jack, but the lady's reputation is very far from being perfect, as I know from another source, and I strongly advise you to take no decided step until you have some irrefragable independent evidence of her state — until you have really sifted the matter.'" -- Patrick O'Brian, The Surgeon's Mate, 168 Feb 7, 2008