irrevocable

[ ih-rev-uh-kuh-buh l ]

/ ɪˈrɛv ə kə bəl /

not to be revoked or recalled; unable to be repealed or annulled; unalterable: an irrevocable decree.

Origin of irrevocable

First recorded in 1350–1400; Middle English word from Latin word irrevocābilis. See ir-², revocable

ir·rev·o·ca·bil·i·ty, ir·rev·o·ca·ble·ness, noun ir·rev·o·ca·bly, adverb non·ir·rev·o·ca·bil·i·ty, noun non·ir·rev·o·ca·ble, adjective

non·ir·rev·o·ca·ble·ness, noun non·ir·rev·o·ca·bly, adverb

Again into the consideration intruded the absolute finality, the irrevocability of her choice.

Where the Trail Divides |Will Lillibridge
I—I mean that it reduces the—er—paralysing sense of irrevocability.

The Travelling Companions |F. Anstey
The question leaped from her, and Garth's answer came with an irrevocability of refusal there was no combating.

The Hermit of Far End |Margaret Pedler
But when she had the permit and her cabin was booked, the irrevocability of her step came to her with full force.

Saint's Progress |John Galsworthy

He resolved to accept it, and by way of irrevocability at once burnt his ships behind him—in devouring part of his dinner.

Openings in the Old Trail |Bret Harte

irrevocable

/ (ɪˈrɛvəkəbəl) /

not able to be revoked, changed, or undone; unalterable

irrevocability or irrevocableness, noun irrevocably, adverb