Not liable to fail or vary. Of a law, covenant, promise, etc.: Firm, not to be repealed or retracted. Phrases, to hold (something) stable, to stand s…

= indefeasible, adj. (Frequently in 17th cent.)

Irrevocable.

That cannot be revoked, repealed, annulled, or undone; unalterable, irreversible. (The prevailing sense.)

Irrecoverable, irrevocable.

That cannot be recalled or revoked; irrevocable. Obsolete.

Not repealable, irrevocable; that cannot be revoked or called back.

(un-, prefix1 affix 1b.)

That cannot be recalled; (originally) spec. = irrevocable, adj. 2.

Not abrogable; that cannot be revoked or repealed.

That cannot be revoked, rescinded, gone back on, undone, or unsaid; irrevocable.

That cannot be undone, repealed, or annulled; unalterable, irrevocable.

That cannot be altered or changed. Of resolves, decisions, laws, etc.

Incapable of being repealed or annulled; irrevocable.

That cannot be deposed.

That cannot be called back or revoked; irrevocable.

That cannot be retracted or taken back.