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Definitions

in perpetuity

ADVERB
ad infinitum
Synonyms
WEAK
at length continuously endlessly forever having no end interminably never-ending on and on perpetually relentlessly unlimitedly without end without limit
ADVERB
forever
Synonyms
STRONGEST
always endlessly eternally permanently
STRONG
evermore perpetually
WEAK
durably enduringly everything considered for always for ever and ever for good for keeps for life forevermore immortally in perpetuum infinitely interminably lastingly now and forever on and on till Doomsday till blue in the face till death do us part till the cows come home till the end of time unchangingly world without end
Antonyms
WEAK
briefly never temporarily

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.

One point that Trump officials, lawmakers and advocates for Afghan allies agree on: Keeping Afghans trapped in Camp As Sayliyah in perpetuity is inhumane.

From The Wall Street Journal • Apr. 7, 2026

Summer Walker, “Finally Over It” A sculpted eyebrow arched in perpetuity.

From Los Angeles Times • Dec. 5, 2025

He could do this because while the government owns the building, the Catholic Church has a right to use it in perpetuity.

From The Wall Street Journal • Dec. 3, 2025

"I think it is a mistake to assume that we will have high tariffs in perpetuity," said Sen. Ted Cruz, R-Tex.

From Salon • Apr. 10, 2025

I would remain a child, in perpetuity, always, or I would lose him.

From "Educated" by Tara Westover