Dictionary.com
Thesaurus.com
Synonyms

in perpetuity

Idioms  

  1. For all time, forever, as in This land was given to the state in perpetuity. [First half of 1400s]

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.

A 1951 defense treaty gave the U.S. the right to establish an indefinite number of bases in perpetuity, provided it informed Denmark and Greenland.

From The Wall Street Journal • Apr. 11, 2026

The idea that loved ones are laid to rest in their grave in perpetuity may be romantic, but in many cases may need to be overturned.

From BBC • Dec. 29, 2025

“If we say it’s in perpetuity, it’s a little bit harder to stomach,” he said.

From The Wall Street Journal • Oct. 10, 2025

And that fame train seemed destined to circle the globe in perpetuity.

From Los Angeles Times • May 12, 2025

It was his job to set the memory in perpetuity.

From "The Marrow Thieves" by Cherie Dimaline

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.