Synonyms & related words for eon

Find synonyms, related words, and the definition of eon — including eternity. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to eon

Explore words related to eon — words associated with it, words that go with it, and its nearest matches in meaning. Related words include cryptozoic, eonian, epoch, eternalness, geologic. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for eon

Common synonyms for eon include eternity — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does eon come from?

The word eon breaks down into one root of Greek origin: the root eon-, from Greek aion (“age, lifetime”). Explore each root to see other English words built from the same source.