Aeon

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Commonwealth standard spelling of eon.

    "When Earth's last picture is painted, and the tubes are twisted and dried,/ When the oldest colors have faded, and the youngest critic has died,/ We shall rest, and, faith, we shall need it -- lie down for an aeon or two,/Till the Master of All Good Workmen shall put us to work anew."

  2. 2
    Alternative letter-case form of aeon. alt-of
  3. 3
    (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe wordnet
  4. 4
    A spirit being emanating from the Godhead.
  5. 5
    an immeasurably long period of time wordnet
Show 2 more definitions
  1. 6
    Each universe in a series of universes, according to conformal cyclic cosmology.
  2. 7
    the longest division of geological time wordnet

Synonyms

All synonyms
ageagesannus magnusblue mooncenturycycle

Example

More examples

"When Earth's last picture is painted, and the tubes are twisted and dried,/ When the oldest colors have faded, and the youngest critic has died,/ We shall rest, and, faith, we shall need it -- lie down for an aeon or two,/Till the Master of All Good Workmen shall put us to work anew."

Etymology

From Latin aeon, from Ancient Greek αἰών (aiṓn, “age, era”).

Related phrases

light aeon

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