Irrefutable

a.

1.

Incapable of being refuted or disproved; indisputable.

Adj.

1.

irrefutable - impossible to deny or disprove; "incontrovertible proof of the defendant's innocence"; "proof positive"; "an irrefutable argument" Synonyms: incontrovertible, positive

irrefutable - The opposite of refutable.

absolute, actual, adducible, admissible, admitting no question, attestative, attestive, authentic, based on, certain, circumstantial, conclusive, confirmable, convincing, cumulative, damning, decisive, demonstrable, demonstratable, determinative, documentary, documented, evidential, evidentiary, ex parte, eye-witness, factual, final, firsthand, founded on, grounded on, hearsay, historical, implicit, inappealable, incontestable, incontrovertible, indicative, indisputable, indubitable, irrefragable, irresistible, material, nuncupative, overwhelming, presumptive, probative, provable, real, reliable, self-evident, significant, suggestive, sure, symptomatic, telling, testable, unanswerable, unconfutable, uncontestable, undeniable, unimpeachable, unquestionable, unrefutable, valid, verifiable, weighty