variants
or chiefly British aeon
as in forever
a long or seemingly long period of time
it's been eons since I saw a movie at the multiplex glaciers that formed eons ago
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Example Sentences
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Recent Examples of eon
There were aeons before Helm arrived.
—
Literary Hub, 3 Nov. 2025
That would be the mythical city lost to the sea eons ago.
—Ashley Miznazi, Miami Herald, 21 Oct. 2025
Over the eons, this activity has regularly caused major earthquakes.
—Jack Tamisiea, Scientific American, 10 Oct. 2025
Harnessing these forensic investigations, the team leverages the latest science to reveal superpower adaptations and migration patterns that have been taking place for eons.
—Jesse Whittock, Deadline, 9 Oct. 2025
See All Example Sentences for eon
Literary Hub, 3 Nov. 2025
That would be the mythical city lost to the sea eons ago.
—Ashley Miznazi, Miami Herald, 21 Oct. 2025
Over the eons, this activity has regularly caused major earthquakes.
—Jack Tamisiea, Scientific American, 10 Oct. 2025
Harnessing these forensic investigations, the team leverages the latest science to reveal superpower adaptations and migration patterns that have been taking place for eons.
—Jesse Whittock, Deadline, 9 Oct. 2025
See All Example Sentences for eon
Recent Examples of Synonyms for eon
Noun
-
One way to mess with an option team’s Plan A is to not only stick them with third-and-forevers, but to put them in an early hole, making them throw out of desperation.—
Sean Keeler,
The Denver Post,
14 Sep. 2019
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Printed with thermochromic ink, the stamp reveals a second image of the moon when a finger is pressed to it, and a sheet of 16 Forever stamps features a map of the eclipse path.—
Meg Jones,
Milwaukee Journal Sentinel,
18 Aug. 2017
Noun
-
And while Mamdani longs for a future of free Big Apple trips, riders will instead be getting slapped with price hikes in a matter of days.—
Alex Nitzberg,
FOXNews.com,
1 Jan. 2026
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The Frostys spread joy all year, providing happy sing-a-longs to seniors living in memory care communities.—
Karen Billing,
San Diego Union-Tribune,
24 Dec. 2025
Noun
-
Nevertheless, the McAlarneys admit that keeping their children away from smartphones and limiting technology is easier said than done, especially in today’s digital age.—
Tereza Shkurtaj,
PEOPLE,
11 Jan. 2026
-
From gentle cleansers to serums that tackle fine lines and wrinkles, all ages (even my 20-something self) would appreciate her picks.—
Kaitlin Clapinski,
InStyle,
11 Jan. 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 18 Jan. 2026.
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