A long period of time that seems endless
The third full moon in a three-month calendrical season that has four full moons.
The definition of a cycle is a period of time or complete set of events that repeat.
An indefinitely long period of time:
The length of time that a person or thing has existed:
(Countable) An experience.
A long time:
A long time
Find another word for eon. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for eon, like: eternity, era, blue moon, cycle, year, age, aeon, forever-and-a-day, forever-and-ever, month-of-sundays and time.