Eons

Synonyms for "eons" (47 found)

Ranked by relevance and common usage.

Closest matches (10)

Noun(5 words)

aeon age ages blue moon coon's age

aeon age ages annus magnus century

Strong matches (14)

Noun(7 words)

crow's age dog's age donkey's years eld eternity forever forever and a day

cycle cycle of indiction date day eternity generation great year

Related words (23)

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

2 relation types

form of

1 entries

eon

related to

1 entries

eon

Sample sentences

5 total sentences available.

Tatoeba + Wiktionary

There is evidence that water was abundant on Mars eons ago.

Source: tatoeba (1591754)

Using cutting-edge machines that can detect the chemical composition in grains of soil as small as a speck of dust, the two Goddard labs will study how the building blocks of life evolved in our solar system and how the Moon’s surface chemistry was shaped over eons by radiation from space and from the Sun.

Source: tatoeba (8410032)

A beat of the wings, and eons are behind us!

Source: tatoeba (10472227)

Those days now feel like eons ago.

Source: tatoeba (10635603)

Showing 4 of 5 available sentences.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.