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
-
The Swiss research team started the electrical powering of the 312-foot-long (95-metre-long) test stand known as the Inner Triplet String (IT String) on April 20.—
Georgina Jedikovska,
Interesting Engineering,
24 Apr. 2026
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Kaia Gerber has officially become the latest in a long of line of celebrities to co-sign the peek-a-bra trend.—
Emma Banks,
InStyle,
9 Apr. 2026
Noun
-
In 1986, riding the long shot Ferdinand, Bill Shoemaker became the oldest jockey to win the Kentucky Derby at age 54.—
Chicago Tribune,
Chicago Tribune,
3 May 2026
-
For families There are no age restrictions for younger guests, although the atmosphere is quite calm and grown-up plus there are no specific children’s amenities or facilities in the restaurant.—
Condé Nast,
Condé Nast Traveler,
2 May 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 6 May. 2026.
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