irrevocable

ir·rev·o·ca·ble

adj
\i-ˈre-və-kə-bəl, ˌi(r)- sometimes ˌir-(r)ə-ˈvō-kə-\

Definition of IRREVOCABLE

: not possible to revoke : unalterable <an irrevocable decision>

— ir·rev·o·ca·bil·i·ty \-ˌre-və-kə-ˈbi-lə-tē, ˌir-(r)ə-ˌvō-kə-\ noun

— ir·rev·o·ca·ble·ness \-ˈre-və-kə-bəl-nəs, ˌir-(r)ə-ˈvō-kə-\ noun

— ir·rev·o·ca·bly \-blē\ adverb

Examples of IRREVOCABLE

1. She has made an irrevocable decision.

Origin of IRREVOCABLE

Middle English, from Latin irrevocabilis, from in- + revocabilis revocable

First Known Use: 14th century