irrevocable

[ ih-rev-uh-kuh-buhl ]

adjective

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 not to be revoked or recalled; unable to be repealed or annulled; unalterable:

   an irrevocable decree.

irrevocable

/ ɪˈrɛvəkəbəl /

adjective

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

Derived Forms

• irˈrevocably, adverb
• irˌrevocaˈbility, noun

Other Words From

• ir·rev·o·ca·bil·i·ty [ih-rev-, uh, -k, uh, -, bil, -i-tee], ir·rev·o·ca·ble·ness noun
• ir·rev·o·ca·bly adverb
• non·ir·rev·o·ca·bil·i·ty noun
• non·ir·rev·o·ca·ble adjective
• non·ir·rev·o·ca·ble·ness noun

Word History and Origins

Origin of irrevocable¹

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

Example Sentences

One of the most eye-popping charges in WP Engine’s nearly 100-page filing contends that when Automattic made its big show of transferring WordPress trademark rights to the WordPress Foundation in 2010, it “in fact had quietly transferred irrevocable, exclusive, royalty-free rights in the WordPress trademarks right back to Automattic that very same day.”

From Slate

I have established an irrevocable trust for my 8-year-old child, with my 47-year-old wife as the trustee.

From Los Angeles Times

What stands in the way is an irrevocable trust set up during his second divorce, which will give Mr Murdoch's four eldest children equal shares in the company when he dies.

From BBC

"Here what you have is an irrevocable trust that Rupert Murdoch is attempting to change... there's a huge amount on the line," he said.

From BBC

The 93-year-old media titan is petitioning to change his irrevocable family trust to ensure his eldest son, Lachlan, will have sole control over his media companies News Corp. and Fox Corp. after the elder Murdoch’s death.

From Los Angeles Times

Related Words

• immutable
• irreversible
• permanent