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
-
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
-
That’s bad news for the Parr family, and especially father Bob (Craig T. Nelson), who hates his office job and longs to return to his super life.—
Barry Levitt,
Time,
26 June 2025
-
In Prisoner of Azkaban, like the excited crowd gathered outside the shop, Harry longs to buy the cutting-edge, international-standard Firebolt, which is described as superior to his current broomstick, the Nimbus Two Thousand, which, in turn, puts the older and cheaper Comet 360 to shame.—
Literary Hub,
Literary Hub,
26 June 2025
Noun
-
Note: Watch Brielle Lubin in 2019, at age 14, discuss this issue.—
Glenn Llopis,
Forbes.com,
28 June 2025
-
The new warning label discloses the risk of myocarditis, which appeared in 8 cases per 1 million people who got the 2023-2024 COVID shots between the ages of 6 months and 64 years old, mostly commonly among males aged 12 to 24.—
Mary Walrath-Holdridge,
USA Today,
28 June 2025
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 8 Jul. 2025.
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