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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of eon
The pressure and heat of deep burial and tectonic events over eons have transformed the silt into a hard metamorphic rock, and the microbial carbon in it has metamorphosed into graphite.
—
Howard Lee, ArsTechnica, 11 Aug. 2025
But Martian geological activity isn't the only thing that has developed this landscape over eons.
—Stefanie Waldek, Space.com, 11 Aug. 2025
The Rays lost for the 12th time in their last 16 games and 26th in 37 since the end of their majors-best 25-9 run in late June, which seems eons ago.
—Marc Topkin, The Orlando Sentinel, 10 Aug. 2025
The two black holes, both located far beyond the outer limits of the Milky Way, began circling each other eons ago.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
See All Example Sentences for eon
Howard Lee, ArsTechnica, 11 Aug. 2025
But Martian geological activity isn't the only thing that has developed this landscape over eons.
—Stefanie Waldek, Space.com, 11 Aug. 2025
The Rays lost for the 12th time in their last 16 games and 26th in 37 since the end of their majors-best 25-9 run in late June, which seems eons ago.
—Marc Topkin, The Orlando Sentinel, 10 Aug. 2025
The two black holes, both located far beyond the outer limits of the Milky Way, began circling each other eons ago.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
See All Example Sentences for eon
Recent Examples of Synonyms for eon
Noun
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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
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Printed with thermochromic ink, the stamp reveals a second image of the moon when a finger is pressed to it, and a sheet of 16 Forever stamps features a map of the eclipse path.—
Meg Jones,
Milwaukee Journal Sentinel,
18 Aug. 2017
Noun
-
This tells you that the profit-takers aren’t being super-aggressive and that the longs are staying put.—
Josh Brown,Sean Russo,
CNBC,
28 Aug. 2025
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If demand for longs is stronger, long traders pay the fee to short traders; if sentiment flips bearish, shorts pay longs instead.—
Nina Bambysheva,
Forbes.com,
25 Aug. 2025
Noun
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These are all features developed by the building’s original creators, the Miami firm of Steward-Skinner and Associates, prominent architects of the time also responsible for the design of the Miami Seaquarium and MIA’s first jet-age terminal.—
Vinod Sreeharsha,
Miami Herald,
6 Sep. 2025
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Ken Dryden, the Hockey Hall of Fame goaltender who backstopped the Montreal Canadiens’ 1970s dynasty, died on Friday at age 78 from cancer, the Canadiens announced.—
Jesse Granger,
New York Times,
6 Sep. 2025
Cite this Entry
“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 9 Sep. 2025.
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