irrevocable

Unable to cancel or recall; that which is unalterable or irreversible.

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irrevocable adjective beyond recall, binding, changeless, definite, final, firm, fixed, immitigable, immutable, impossible to change, incapable of revocaaion, incommutable, indefeasible, indelible, indestructible, indissoluble, indissolvable, ineluctable, ineradicable, inevasible, inevitable, inextinguishable, inflexible, inrevocabilis, intransmutable, irreclaimable, irredeemable, irremediable, irremovable, irreparable, irrepealable, irreversible, lasting, nonreversible, permanent, remediless, reverseless, settled, stable, unable to be annulled, unalterable, unavoidable, unchangeable, unrepealable, without appeal
Associated concepts: irrevocable dedication, irrevocable gift, irrevocable grant, irrevocable license, irrevocable option, irrevocable pledge, irrevocable transfer, irrevocable trust

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See also: certain, compulsory, conclusive, decisive, definite, determinative, final, immutable, inappealable, indefeasible, indelible, indestructible, inescapable, inevitable, ironclad, irredeemable, irremediable, irreversible, lost, necessary, permanent, positive, stable, unavoidable

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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.