Definitions

in perpetuity

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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.

in perpetuity

The land for its building would be leased to the institute for free, in perpetuity.

From The Wall Street Journal ● Oct. 2, 2026

And now anyone flying into Palm Beach will have a ticket where "you're going to see 'DJT' in perpetuity."

From Barron's ● Jul. 9, 2026

“We can’t just sit out in perpetuity, and I won’t,” he said in 2024.

From Slate ● Jul. 1, 2026

Bob’s move signals he’ll do anything to silence her, now and in perpetuity.

From Salon ● May 29, 2026

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

From "Educated" by Tara Westover