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Synonyms

irrevocable

American  
[ih-rev-uh-kuh-buhl] / ɪˈrɛv ə kə bəl /

adjective

  1. not to be revoked or recalled; unable to be repealed or annulled; unalterable.

    an irrevocable decree.


irrevocable British  
/ ɪˈrɛvəkəbəl /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of irrevocable

First recorded in 1350–1400; a Middle English word from the Latin word irrevocābilis; see ir- 2, revocable

Explanation

If you're on a diet but eat one tiny piece of chocolate, it might start an irrevocable slide into bad eating. Describe something as irrevocable if it cannot be undone or taken back. If you break down irrevocable, you wind up with ir "not," re "back" and vocable from the Latin vocare "to call." So if something is irrevocable, you cannot call it back — it is permanent. You must fulfill an irrevocable promise and live with an irrevocable decision. A law is irrevocable if it states within the law that it cannot be nullified. Now that's final!

Keep Reading on Vocabulary.com

Vocabulary lists containing irrevocable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The court heard they had made "an irrevocable renunciation" of their right to prosecute Ross over that incident.

From BBC Jul. 3, 2026

But there are other ways you can leave relatives money discreetly, through a revocable trust that becomes irrevocable upon your death.

From MarketWatch Jul. 2, 2026

You are correct that irrevocable trusts are, for the most part, protected from creditors.

From MarketWatch May 23, 2026

Asset swapping in irrevocable grantor trusts offers tax-saving opportunities, especially during volatile markets.

From Barron's May 16, 2026

There was no real anger and nothing irrevocable was said.

From "Song of Solomon" by Toni Morrison

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