eter·​ni·​ty | \i-ˈtər-nə-tē \
plural eternities

Definition of eternity 

1 : the quality or state of being eternal

2 : infinite time lasting throughout eternity

3 eternities plural : age sense 3b

4 : the state after death : immortality

5 : a seemingly endless or immeasurable time an eternity of delays

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Synonyms for eternity


aeon (or eon), age, blue moon, coon's age, cycle, donkey's years [chiefly British], forever, long, months, moon

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Examples of eternity in a Sentence

They believed that sinners would spend eternity in hell. We suffered through an eternity of delays during the lawsuit.

Recent Examples on the Web

Priyanka Chopra and Nick Jonas have been keeping fans on their toes for what feels like an eternity now. De Elizabeth, Teen Vogue, "Priyanka Chopra and Nick Jonas Make Their Engagement Instagram Official," 18 Aug. 2018 Warhol’s 15 minutes are now both briefer and more enduring than ever: Instants of fame, now, can be transformed into eternities. Megan Garber, The Atlantic, "#PlaneBae and the Slow Death of Whimsy," 6 July 2018 The focus on genealogy by Mormons is rooted in their belief that families should be the focal point of lives, and that family relationships continue into eternity. Washington Post, "Mormon genealogical database to accept same-sex couples," 15 June 2018 Lillian Janet Bonneville Pollio passed into eternity on April 27, 2018 holding the hand of her loving, dedicated, husband, Anthony J. Pollio of 62 Years., "Deaths in South Florida: 5/2," 2 May 2018 And like ghosts, our boos will haunt you for all of eternity. Stephanie Farr,, "5 reasons Trump should fear how Eagles fans might respond to canceled White House visit," 5 June 2018 Perhaps the tree itself, long held as a symbol of eternity, has something to do with Le grand Génois’s endless appeal. Lilah Ramzi, Vogue, "This Textile Has Been All Over Vogue—Here’s Where It Came From," 1 June 2018 If Hell exists, and souls are condemned to an eternity of damnation and torture, then doesn’t that make God evil? David Sims, The Atlantic, "Come Sunday Is an Uneven Biopic of Faith and Dissent," 12 Apr. 2018 Russia has succeeded in building a regime that embodies the politics of eternity. Sean Illing, Vox, "How Russia pioneered “fake news”," 5 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eternity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of eternity

14th century, in the meaning defined at sense 1

History and Etymology for eternity

Middle English eternite, from Middle French eternité, from Latin aeternitat-, aeternitas, from aeternus

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Statistics for eternity

Last Updated

23 Nov 2018

Look-up Popularity

Time Traveler for eternity

The first known use of eternity was in the 14th century

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English Language Learners Definition of eternity

: time without an end

: a state that comes after death and never ends

: time that seems to be without an end


eter·​ni·​ty | \i-ˈtər-nə-tē \
plural eternities

Kids Definition of eternity

1 : time without end

2 : the state after death

3 : a period of time that seems endless I waited an eternity.

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Comments on eternity

What made you want to look up eternity? Please tell us where you read or heard it (including the quote, if possible).


to move with a clumsy heavy tread

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