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
According to one popular hypothesis, the pot had eventually boiled over: after eons of frustrated heating, some 800 million years ago, the planet’s outer shell buckled, and Venus’s entire surface was paved over with immense outpourings of fresh lava.
—
Elise Cutts, Scientific American, 13 May 2025
All over the world, wild plants like these—vital members of ecosystems and unique products of eons of evolution—are losing ground.
—Katarina Zimmer, Smithsonian Magazine, 2 May 2025
The secret lies in a remarkable genetic and biochemical toolkit honed through eons of evolutionary pressure.
—Scott Travers, Forbes, 24 Mar. 2025
These stellar exiles can travel across space for eons before ending up infiltrating unrelated nebulas like Sh2-46, according to the statement.
—Sharmila Kuthunur, Space.com, 9 May 2025
See All Example Sentences for eon
Elise Cutts, Scientific American, 13 May 2025
All over the world, wild plants like these—vital members of ecosystems and unique products of eons of evolution—are losing ground.
—Katarina Zimmer, Smithsonian Magazine, 2 May 2025
The secret lies in a remarkable genetic and biochemical toolkit honed through eons of evolutionary pressure.
—Scott Travers, Forbes, 24 Mar. 2025
These stellar exiles can travel across space for eons before ending up infiltrating unrelated nebulas like Sh2-46, according to the statement.
—Sharmila Kuthunur, Space.com, 9 May 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
-
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
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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
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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 5 Jul. 2025.
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