AEON Synonyms: 26 Similar and Opposite Words

eon

noun

variants or chiefly British aeon

Definition of eon

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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of eon Throughout the five nights, the group performed 106 distinct songs with no repeats, many of which had not been aired in eons. — Jonathan Cohen, SPIN, 30 July 2026 There has been talk of getting the gang back together for a eons now, but nothing has come of it, unfortunately. — Paul Tassi, Forbes.com, 29 July 2026 Meta, Google, and Apple hadn’t put out an exciting new innovation in eons. — Annie Lowrey, The Atlantic, 29 June 2026 The Wolverines’ frontcourt was, in fact, one of the greatest to grace college basketball in eons. — Jon Wilner, San Diego Union-Tribune, 25 June 2026 See All Example Sentences for eon

Recent Examples of Synonyms for eon

Noun

There is a certain ease and flow to the conversation with your forevers.

— Barbara Ellis, Denver Post, 17 May 2026
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

Definition of forever

Noun

The 49ers have played from ahead in each of their three games, minimizing obvious passing situations and third-and-longs.

— Chris Biderman, Sacbee.com, 30 Sep. 2026
This is the story of JAŸ-Z in 8, a new long but guarded eight-part HBO docuseries about the rapper directed and produced by Def Jam co-founder Rick Rubin.

— Craig Jenkins, Vulture, 22 Sep. 2026

Definition of long

Noun

As the industrial age took hold, geometry continued to show force in the colonial infantries abroad and through isomorphic police squadrons that fit neatly into modernizing city blocks patrolled back home.

— Sophie Landres, Artforum, 1 Oct. 2026
Across all age groups, alcohol use declined by nearly 2%, and heavy drinking declined by more than 8% from 2022 to 2024.

— Melissa Rudy, FOXNews.com, 30 Sep. 2026

Definition of age

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“Eon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eon. Accessed 6 Oct. 2026.

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Synonyms of eon

noun

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