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 Now researchers analyzing data from those collisions have seen an unexpected signal that offers new clues about how the cosmic transition happened eons ago. — Clara Moskowitz, Scientific American, 28 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 The end goal is to not only recover nuclear fuel and isotopes, but to quickly reduce the US waste stockpile in decades rather than eons. — David Szondy august 22, New Atlas, 22 Aug. 2026 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 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 nearly 70-foot-long tugboat changed ownership several times before it was abandoned at the mouth of the Amnicon River in 1951.

— Andrea Margolis, FOXNews.com, 23 Oct. 2026
In this painful experience, one is exposed (the betrayal that is blushing) and longs to hide oneself.

— Eugenie Brinkema, ARTnews.com, 17 Oct. 2026

Definition of long

Noun

Current facial recognition systems, originally developed for photographs, can compare faces despite differences in pose, lighting, expression, age, and image quality.

— Karen Chernick, ARTnews.com, 21 Oct. 2026
Other foldables do this too — Samsung and Google and Huawei have been pushing the envelope of gadget-y smartphones for ages — but Apple’s played it so safe for so long that the Duo is legitimately surprising.

— Nilay Patel, The Verge, 21 Oct. 2026