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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Recent Examples of eon
In the floor, look for ancient snail fossils that were embedded in the stone eons ago and included by builders to highlight Maryland’s coastal geology.
—
Charles Babington, New York Times, 21 May 2025
But neither a chart of geology’s eons, eras, and periods, nor a calculus of infinitesimals, can eliminate a sense of awe in the face of geological time.
—Lewis Hyde, Harpers Magazine, 18 June 2025
Thanks to Gaia, scientists now can better gauge the amount of dark matter within our galaxy and have been able to track the Milky Way’s growth and evolution across eons via relic streams of stars strewn from ancient mergers with other, smaller galaxies.
—Lee Billings, Scientific American, 18 June 2025
It should be noted that time in Hell works differently, and when he's eventually brought into another Earth's dimension, eons could've passed for him.
—Fran Ruiz, Space.com, 28 Mar. 2025
See All Example Sentences for eon
Charles Babington, New York Times, 21 May 2025
But neither a chart of geology’s eons, eras, and periods, nor a calculus of infinitesimals, can eliminate a sense of awe in the face of geological time.
—Lewis Hyde, Harpers Magazine, 18 June 2025
Thanks to Gaia, scientists now can better gauge the amount of dark matter within our galaxy and have been able to track the Milky Way’s growth and evolution across eons via relic streams of stars strewn from ancient mergers with other, smaller galaxies.
—Lee Billings, Scientific American, 18 June 2025
It should be noted that time in Hell works differently, and when he's eventually brought into another Earth's dimension, eons could've passed for him.
—Fran Ruiz, Space.com, 28 Mar. 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
-
Part of me, of course, longs to see a more comprehensive exhibit, that the visitor could absorb bit by bit over the course of months.—
Michael Barnes,
Austin American Statesman,
2 July 2025
-
Olga immediately realizes this perfect Elio is a fake, and longs to be with her imperfect nephew.—
Bill Desowitz,
IndieWire,
23 June 2025
Noun
-
Note: Watch Brielle Lubin in 2019, at age 14, discuss this issue.—
Glenn Llopis,
Forbes.com,
28 June 2025
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Also, the age range of the participants in the study was limited by the data source.—
Melissa Rudy,
FOXNews.com,
28 June 2025
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 12 Jul. 2025.
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