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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.

An irrevocable trust, on the other hand, is more often used for gifting and estate-planning purposes and generally cannot be changed once established.

From MarketWatch • Mar. 26, 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

Paramount said it had resolved all the concerns that Warner had raised last month, “most notably by providing an irrevocable personal guarantee by Larry Ellison for the equity portion of the financing.”

From Los Angeles Times • Jan. 8, 2026

There was no real anger and nothing irrevocable was said.

From "Song of Solomon" by Toni Morrison

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