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eon Meaning & Definition

/ˈi.ɑn/

What Does Eon Mean?

Eon is used as a noun meaning Eternity, the duration of the universe. It can also mean An immeasurably or indefinitely long period of time.

Eon in Brief

Part of speechnoun
Pronunciation/ˈi.ɑn/
Syllables2
Synonymsaeon
Pluraleons

Eon Definition (Noun)

  1. Eternity, the duration of the universe.
  2. An immeasurably or indefinitely long period of time.
  3. A long period of time.

    It’s been eons since we last saw each other.

  4. A period of one billion (short scale, i.e. 1,000,000,000) years; a gigayear.
  5. The longest geochronologic unit, being a period of hundreds of millions of years; subdivided into eras.
  6. A spirit being emanating from the Godhead.

Noun

  1. Eternity.
  2. A period of 1,000,000,000 years.
  3. The longest time period used in geology.
  4. (usually spelled aeon or æon) A spirit being emanating from the Godhead.

Synonyms of Eon

Eon synonyms and antonyms →

Eon in a Sentence

It’s been eons since we last saw each other.

It's been eons since we last saw each other.

Word Forms & Grammar

eon (plural eons)

Words That Rhyme With Eon

Origin of Eon

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

How Do You Say Eon?

You say eon as /ˈi.ɑn/. It has 2 syllables, with the main stress on the first syllable (i).

Questions People Ask About Eon

What part of speech is eon?

Eon is a noun.

What is another word for eon?

Close synonyms of eon are aeon. See the full list of eon synonyms and antonyms.

What is the plural of eon?

The plural of eon is eons.