infinite time; duration without beginning or end.
eternal existence, especially as contrasted with mortal life: the eternity of God.
Theology. the timeless state into which the soul passes at a person's death.
an endless or seemingly endless period of time: We had to wait an eternity for the check to arrive.
eternities, the truths or realities of life and thought that are regarded as timeless or eternal.
- non·e·ter·ni·ty, noun
- pre·e·ter·ni·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use eternity in a sentence
If you want to build a paradise on Earth or you want to achieve your salvation in eternity, you may go to war because you’ll feel less frightened of death and you’re part of a much greater cause.Humans Have Gotten Nicer and Better at Making War - Issue 94: Evolving | Steve Paulson | January 6, 2021 | Nautilus
Kylie’s time under house arrest soon grows quite eventful, but it starts out with the palpable slow slog of eternity.One Good Thing: Housebound is the perfect horror comedy for the perpetually quarantined | Aja Romano | December 31, 2020 | Vox
We waited for what seemed like an eternity before the light was extinguished accompanied by the sound of glass shattering and a dog barking.
Accelerating this way meant that Santul ran about 45 seconds faster, which can feel like an eternity when running a marathon.
The wizened 69-year-old, with a Gandalf-like demeanor and a do-it-yourself ethos, wants to preserve information for eternity.Preserving a Sense of Wonder in DNA - Issue 92: Frontiers | Virat Markandeya | October 28, 2020 | Nautilus
After what seemed a desperate eternity, a doctor shook his head.'Please Don't Die!': The Frantic Battle to Save Murdered Cops | Michael Daly | December 22, 2014 | THE DAILY BEAST
The Newsroom aired its final episode on Sunday, already an eternity ago in news-cycle terms.A Few Great Men Too Many: Aaron Sorkin Doesn’t Think You Can Handle the Truth | Arthur Chu | December 21, 2014 | THE DAILY BEAST
He rests lavishly, depicted in a marble sarcophagus that stares up for eternity at the carved depictions of his life story.
But this is also a parody of narcissism, just a little detour to eternity.
Finally, after an eternity—lasting maybe two seconds—I did what I usually do when faced with fear squatting in my stomach.
The blessings of time and eternity constitute the part of the promise offered to believers, through Christ.The Ordinance of Covenanting | John Cunningham
One instant in all eternity would have made just the difference between life and death to you.Uncanny Tales | Various
He who wrongs a fellow-creature wrongs himself as well, and wrongs both for all eternity.God and my Neighbour | Robert Blatchford
At the close of the supper he filled his glass, and rising, proposed to drink to the eternity of the Republic.Madame Roland, Makers of History | John S. C. Abbott
An eternity did it seem before those men returned and marched once more over his head.St. Martin's Summer | Rafael Sabatini
British Dictionary definitions for eternity
endless or infinite time
the quality, state, or condition of being eternal
(usually plural) any of the aspects of life and thought that are considered to be timeless, esp timeless and true
theol the condition of timeless existence, believed by some to characterize the afterlife
a seemingly endless period of time: an eternity of waiting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012