Word Explorer

Eon

/ˈiː.ɒn/

Eternity.

Full Dictionary Entry

📖 Definitions of "Eon"

noun

1
Eternity.
2
A period of 1,000,000,000 years.
3
The longest time period used in geology.
4
A long period of time.
"It's been eons since we last saw each other."

🔄 Synonyms of "Eon"

1 synonyms found via WordNet and Google Books.

Word	Definition
aeonnoun	Commonwealth standard spelling of eon.

💡 Words with a Similar Meaning to "Eon"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
aeonnoun	Commonwealth standard spelling of eon.
eternitynoun	(uncountable) Existence without end, infinite time.
noenoun	Archaic spelling of Noah. [(religion) A figure in Abrahamic religions, believed to have built an ark to save his family and members of each species of animal from the Great Flood.]
agenoun	(countable) The amount of time that some being has been alive, or that some thing has been in existence, as measured from its birth or origin until the present or until some other given reference point. (Often measured in number of years; alternatively in months, days, hours, etc.; see also the usage notes)
ionnoun	An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.
phanerozoicnoun	(geology) A geologic eon from about 538.8 million years ago to the present
eun	Eun, also spelled Un, or En, Ehn, Enn, Unn, is an uncommon Korean surname.
ioan	a variation on the name John found in Aromanian, Romanian, Bulgarian, Russian, Welsh, and Sardinian.
every secondnoun	Every other/two; each alternate.
timenoun	(uncountable) The inevitable progression into the future with the passing of present and past events.
diuturnitynoun	(rare, obsolete) Long duration; lastingness.
durationnoun	An amount of time or a particular time interval.
lengthnoun	The distance measured along the longest dimension of an object.
infinitillionnoun	(slang, hyperbolic) An unspecified large number.
cyclenoun	A process that returns to its beginning and then repeats itself in the same sequence.
annumnoun	Synonym of year.
mega-annumnoun	Synonym of megayear: a period of 1 million years.
sexillionnoun	sextillion
minuternoun	(in combination) Something that lasts or takes a specified number of minutes.
saeculumnoun	An approximately 85-year cycle in Strauss-Howe generational theory, a highly controversial sociological theory that postulates that zeitgeist and popular cultural values exist along recurring cycles.