Irrevocable

a.

1.

Incapable of being recalled or revoked; unchangeable; irreversible; unalterable; as, an irrevocable promise or decree; irrevocable fate. Firm and irrevocable is my doom. - Shak.

Adj.

1.

irrevocable - impossible to retract or revoke; "firm and irrevocable is my doom"- Shakespeare Synonyms: irrevokable Antonyms: revocable, revokable - capable of being revoked or annulled; "a revocable order"

IRREVOCABLE. That which cannot be revoked.
     2. A will may at all times be revoked by the same person who made it, he having a disposing mind; but the moment the testator is rendered incapable to make a will he can no longer revoke a former will, because he wants a disposing mind. Letters of attorney are generally revocable; but when made for a valuable consideration they become irrevocable. 7 Ves. jr. 28; 1 Caines' Cas. in Er. 16; Bac. Ab. Authority, E. Vide Authority; License; Revocation.

absolute, beyond recall, beyond remedy, binding, certain, changeless, compulsory, conclusive, constant, cureless, decisive, decretory, dictated, enduring, entailed, established, everlasting, fated, fateful, final, fixed, gone, hard-and-fast, immedicable, immutable, imperative, imposed, incommutable, inconvertible, incorrigible, incurable, indefeasible, ineluctable, inert, inescapable, inevasible, inevitable, inexorable, inflexible, inoperable, insusceptible of change, intransmutable, invariable, irreclaimable, irrecoverable, irredeemable, irreformable, irremediable, irreparable, irresistible, irretrievable, irreversible, lasting, lost, mandated, mandatory, must, necessary, noble, nonreturnable, nonreversible, obligatory, past hope, past praying for, peremptory, permanent, prescript, prescriptive, relentless, remediless, required, resistless, reverseless, ruined, settled, sure, sure as death, sure as fate, terminal, ultimate, unalterable, unalterative, unaltered, unavoidable, unchangeable, unchanged, unchanging, uncontrollable, undeflectable, undeviating, undone, unmitigable, unmodifiable, unpreventable, unrelievable, unremitting, unrestorable, unreturnable, unsalvable, unsalvageable, unstoppable, unsusceptible, unvariable, unvarying, unyielding, without appeal