irrefutable

adj

Etymology: From Late Latin irrefūtābilis, from ir- (“not”) + refūtābilis (“refutable”), from refūtō (“to refute”) + -bilis (“-able”), equivalent to ir- + refutable.

1. undeniable; unable to be disproved or refuted

   “[…]clear and irrefutable evidence of the Cause I have undertaken”

   “True, there had been nothing, in his lifetime, viler than this man. She knew it, there was no other fact within her consciousness that she felt to be so certain; and yet, because her persecutor found himself safe and irrefutable in death, he frowned upon his victim, and threw back the blame on her!”