Irrefutable

//ˌɪɹɪˈfjuːtəbəl// adj

adj ·Moderate ·College level

Definitions

Adjective
  1. 1
    undeniable; unable to be disproved or refuted

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

Adjective
  1. 1
    impossible to deny or disprove wordnet

Example

More examples

"Even today, his theory remains practically irrefutable."

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.