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
That person belongs to a different time, to a different town and to people who cannot be expected to remain the same, any more than the slopes of a volcano can be expected to still be molten rock an eon after the last eruption.
—
Jessica Kiang, Variety, 17 Apr. 2026
Apophis' surface is weathered due to eons of exposure to space weather, including solar wind and cosmic rays, according to the Massachusetts Institute of Technology.
—Julia Jacobo, ABC News, 14 Apr. 2026
The blues play a role in Kottke’s music, and two other specialists in that wide-ranging genre have also been traveling to Connecticut for eons.
—Christopher Arnott, Hartford Courant, 11 Apr. 2026
Unlike rocks on Earth, which have been exposed to eons of weather and geological processes, many meteorites have spent that time hurtling through space, relatively untouched, Fries said.
—Maliya Ellis, Houston Chronicle, 5 Apr. 2026
See All Example Sentences for eon
Jessica Kiang, Variety, 17 Apr. 2026
Apophis' surface is weathered due to eons of exposure to space weather, including solar wind and cosmic rays, according to the Massachusetts Institute of Technology.
—Julia Jacobo, ABC News, 14 Apr. 2026
The blues play a role in Kottke’s music, and two other specialists in that wide-ranging genre have also been traveling to Connecticut for eons.
—Christopher Arnott, Hartford Courant, 11 Apr. 2026
Unlike rocks on Earth, which have been exposed to eons of weather and geological processes, many meteorites have spent that time hurtling through space, relatively untouched, Fries said.
—Maliya Ellis, Houston Chronicle, 5 Apr. 2026
See All Example Sentences for eon
Recent Examples of Synonyms for eon
Noun
-
Miami trailed 1-0 fast, in the sixth minute, when the defense left Guilherme Biro unmarked for a downward header off a corner kick, gifting Biro the forever-history of the first goal in the new stadium.—
Miami Herald,
Miami Herald,
5 Apr. 2026
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Those tush-pushes can’t beat you if The Winter Soldier’s facing third-and-forevers.—
Joe Nguyen,
Denver Post,
17 Jan. 2026
Noun
-
Now, decades later, Maple longs to provide a good life for her son.—
Ishani Desai,
Sacbee.com,
10 May 2026
-
Despite his physical power and favorable public image, Homelander longs to be taken more seriously by the company and the people.—
Encyclopedia Britannica,
Encyclopedia Britannica,
5 May 2026
Noun
-
Language development, emotional regulation, problem-solving, and relationship-building all begin before age three.—
Tina Dello Russo,
Boston Herald,
10 May 2026
-
Freeman remembered Cox, who died Saturday at age 84, as more of an impactful leader who exuded loyalty than as a baseball strategist.—
Doug Padilla,
Oc Register,
10 May 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 11 May. 2026.
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