EON 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

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 Oil itself may take eons to create, but the industry never stops. — Brian Sullivan, CNBC, 1 Oct. 2026 Fathoms below and eons ago Hydrothermal systems created by other impacts are all over the planet. — Elizabeth Rayne, ArsTechnica, 30 Sep. 2026 Tom Cruise has dangled from cliffs, skyscrapers and planes, but oil magnate Digger Rockwell is his riskiest role in eons. — Amy Nicholson, Los Angeles Times, 29 Sep. 2026 Conspicuous wrinkles on Mercury's surface have long indicated that the tiny world has gotten smaller and smaller over the eons. — Eric Lagatta, USA Today, 11 Sep. 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

For families Guests of all ages are welcome at The Shinmonzen, with a raft of amenities available for both children and babies, from baby cots, sterilizers, and strollers to kids’ seasonal welcome kits, pajamas, menus, games, books, and toys.

— Condé Nast, Condé Nast Traveler, 5 Nov. 2026
Foxx is already a seasoned father with two adult daughters, ages 32 and 18.

— Andrea Flores, Los Angeles Times, 5 Nov. 2026