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Definitions

irrevocable

[ih-rev-uh-kuh-buhl] / ɪˈrɛv ə kə bəl /
ADJECTIVE
fixed, unchangeable
Synonyms
STRONGEST
immutable irreversible permanent
WEAK
certain changeless constant doomed established fated final indelible inevitable invariable irremediable irretrievable lost predestined predetermined settled unalterable unrepealable unreversible
Antonyms
WEAK
alterable changeable reversible revocable

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.

Boothroyd made this move for an elderly client of hers, who was beneficiary of an old irrevocable trust.

From Barron's • Feb. 28, 2026

Joint wills are complicated and, unlike trusts that become irrevocable upon one spouse’s death, are not necessarily unchangeable after one spouse dies.

From MarketWatch • Feb. 23, 2026

Due to a quirk in an irrevocable trust, it’s all or nothing for him.

From The Wall Street Journal • Feb. 19, 2026

Rather than the claimed irrevocable goodbye to Epstein, as the year ended Andrew sent an optimistic message: "Wishing you a wonderful Christmas and spectacular entry into 2011."

From BBC • Feb. 7, 2026

He didn’t try to talk me out of it, because he recognized the tone that creeps into my voice when I’ve made an irrevocable decision.

From "The House of the Spirits: A Novel" by Isabel Allende

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.