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
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
Telescopes and microscopes were everywhere by then, shrinking and stretching the Earth and sky and, in the process, expanding archaeological time from centuries to eons.
—Kathryn Hughes, The New York Review of Books, 4 Apr. 2026
See All Example Sentences for eon
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
Telescopes and microscopes were everywhere by then, shrinking and stretching the Earth and sky and, in the process, expanding archaeological time from centuries to eons.
—Kathryn Hughes, The New York Review of Books, 4 Apr. 2026
See All Example Sentences for eon
Recent Examples of Synonyms for eon
Noun
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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
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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
-
Has the state of the world, your age, anything sort of changed your motivation toward the game?—
Charles Bethea,
New Yorker,
26 Apr. 2026
-
Positive Results Center empowers healing journeys, helping people of all ages discover their dreams and potential.—
Staff Photographer,
Los Angeles Times,
26 Apr. 2026
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 27 Apr. 2026.
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