Main Entry: ir·re·fut·able

Pronunciation: \ˌir-i-ˈfyü-tə-bəl; i-ˈre-fyə-tə-, ˌi(r)-\

Function: adjective

Etymology: Late Latin irrefutabilis, from Latin in- + refutare to refute

Date: 1607

: impossible to refute : incontrovertible <irrefutable proof>

— ir·re·fut·abil·i·ty \ˌir-i-ˌfyü-tə-ˈbi-lə-tē; i-ˌre-fyə-tə-, ˌi(r)-\ noun

— ir·re·fut·ably \ˌir-i-ˈfyü-tə-blē; i-ˈre-fyə-tə-, ˌi(r)-\ adverb