eon

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. [[eternity|Eternity]], the [[duration]] of the [[universe]].
2. An [[immeasurably]] or [[indefinitely]] [[long]] [[period]] of time.
3. {{lb|en|US|informal|hyperbole}} A long period of time.
4. {{lb|en|astronomy|geology}} A period of one [[billion]] ([[short scale]], i.e. 1,000,000,000) [[year]]s; a [[gigayear]].
5. {{senseid|en|Q108256}}{{lb|en|geology}} The longest [[geochronologic]] [[unit]], being a period of [[hundred]]s of [[million]]s of [[year]]s; subdivided into [[era]]s.
6. {{lb|en|Gnosticism|usually spelled aeon or æon}} A [[spirit]] [[being]] [[emanate|emanating]] from the [[Godhead]].

Proper noun

1. {{lb|en|politics}} The Greek {{w|National Organisation of Youth}}, similar to the [[w:Hitler Youth|Hitler Youth]]. It was formed before WWII and disbanded in 1941.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.