eternity
noun
eter·ni·ty
i-ˈtər-nə-tē 
plural eternities
1
: the quality or state of being eternal
2
: infinite time
lasting throughout eternity
3
4
: the state after death : immortality
5
: a seemingly endless or immeasurable time
an eternity of delays
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
Five minutes can be an eternity in montage time, but the movie’s lengthy introduction is a daring announcement of historical scope.
—
Siddhant Adlakha, Variety, 1 Feb. 2026
But that was 16 years ago, an eternity in media time.
—Anthony Crupi, Sportico.com, 30 Jan. 2026
But that couldn't have been the case for an eternity, and science has proven it.
—Big Think, 29 Jan. 2026
The light of eternity will finally be extinguished.
—Literary Hub, 28 Jan. 2026
See All Example Sentences for eternity
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Siddhant Adlakha, Variety, 1 Feb. 2026
But that was 16 years ago, an eternity in media time.
—Anthony Crupi, Sportico.com, 30 Jan. 2026
But that couldn't have been the case for an eternity, and science has proven it.
—Big Think, 29 Jan. 2026
The light of eternity will finally be extinguished.
—Literary Hub, 28 Jan. 2026
See All Example Sentences for eternity
Cite this Entry
“Eternity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eternity. Accessed 4 Feb. 2026.
Copy CitationKids Definition
eternity
noun
eter·ni·ty
i-ˈtər-nət-ē
plural eternities
1
: the quality or state of being eternal
2
: endless time
3
: the state after death : immortality
4
: time that seems to be endless
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