|irē|kyüzəbəl adjective
Etymology: Late Latin irrecusabilis, from Latin in- in- (I) + Late Latin recusabilis capable of being rejected, from Latin recusare to reject, refuse + -abilis -able — more at recusant
: not subject to exception or rejection
an irrecusable proposition
• ir·re·cu·sa·bly -blē adverb