irrevocable
ih-REV-uh-kuh-buladjMeaning impossible to undo or take back
Memory hook can’t call it back: ir-RE-VOC-able. Once Kai drops the letter into the mailbox, he can’t call it back, however loudly he shouts: mailing it was irrevocable.
Pressing “send” felt irrevocable; the message was already on its way.
In context The judges explained that their decision was irrevocable: once a skater’s score was posted, it could not be changed or taken back for any reason.
Similar irreversible, unalterable, final, permanent
Opposite reversible, changeable, revocable
From Latin irrevocabilis, “not able to be called back”: in- (not) + revocare (to call back).