Eon and Eternity

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Eon noun - The longest division of geological time.

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Eternity is a synonym for eon in time topic. In some cases you can use "Eternity" instead a noun "Eon".

Eternity noun - Endless time.

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Eon is a synonym for eternity in time topic. You can use "Eon" instead a noun "Eternity". popular alternative

Nearby Words: eternal, eternally, eternize

Cite this Source

Eternity and Eon. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/eon/eternity

Eon & Eternity. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/eon/eternity>.

Eternity or Eon. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/eon/eternity.

Google Ngram Viewer shows how "eon" and "eternity" have occurred on timeline