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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of eon
But between the subtle style, simple yet efficient organization, and durability that suggests this weekender will last for eons of adventures to come, our testers say the price might be worth it.
—
Drew Zieff, Outside, 17 Feb. 2026
Their body plan, immune system and ecological role have been resilient through eons of geological and climatic upheaval.
—Scott Travers, Forbes.com, 7 Jan. 2026
At least some evidence suggests that NGC 2775 developed its odd shape after merging with other galaxies eons ago.
—Andrew Paul, Popular Science, 26 Nov. 2025
People have been settling in Taos for centuries, eons, inspired to create a life there, in some cases with their own ideas about protecting, enhancing, and animating the landscape.
—Michael Paterniti, Travel + Leisure, 14 Nov. 2025
See All Example Sentences for eon
Drew Zieff, Outside, 17 Feb. 2026
Their body plan, immune system and ecological role have been resilient through eons of geological and climatic upheaval.
—Scott Travers, Forbes.com, 7 Jan. 2026
At least some evidence suggests that NGC 2775 developed its odd shape after merging with other galaxies eons ago.
—Andrew Paul, Popular Science, 26 Nov. 2025
People have been settling in Taos for centuries, eons, inspired to create a life there, in some cases with their own ideas about protecting, enhancing, and animating the landscape.
—Michael Paterniti, Travel + Leisure, 14 Nov. 2025
See All Example Sentences for eon
Recent Examples of Synonyms for eon
Noun
-
Those tush-pushes can’t beat you if The Winter Soldier’s facing third-and-forevers.—
Joe Nguyen,
Denver Post,
17 Jan. 2026
-
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
Noun
-
Donica, across from her, is on sturdier ground, fearsome to the point of awe-inspiring in the sustained fury of his fermatas, though his considerable force as a performer longs to be shaped more cleanly.—
Jackson McHenry,
Vulture,
19 Mar. 2026
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Selling programs have been relentless in the S & P 500, as many of these algorithmic systems look to push ranges (both lower and higher), flushing weak longs out of the market.—
Jeff Kilburg,
CNBC,
6 Mar. 2026
Noun
-
Children and adolescents ages 2 to 18 without other high-risk factors, such as immunosuppression, can receive and should be offered the vaccine if they were not immunized before, according to the guidance.—
Mary Walrath-Holdridge,
USA Today,
22 Mar. 2026
-
Payments largely depend on a recipient’s retirement age.—
Asher Notheis,
The Washington Examiner,
22 Mar. 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 28 Mar. 2026.
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