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
Harold Prince’s 1979 Broadway premiere, starring Len Cariou and Angela Lansbury, seems like eons ago in terms of creative possibility.
—
Theater Critic, Los Angeles Times, 3 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
Theater Critic, Los Angeles Times, 3 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
-
Zac longs for more family time.—
Kathleen Walsh,
Vulture,
13 Mar. 2026
-
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
-
Acquaintances often put my physical age at thirty.—
Han Ong,
New Yorker,
15 Mar. 2026
-
Those of us of a certain age know that the exact same thing happened when Wilt scored 100 in 1962.—
Los Angeles Times,
Los Angeles Times,
14 Mar. 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 21 Mar. 2026.
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