Synonyms|136Antonyms|18|Broader|7Narrower|25Related|84
11
age(noun, time, set, round, stage)
8
eon(noun, set, group, round, age)
8
period(noun, time, set, group, round)
6
eternity(noun, infinity, perpetuity, forever)
6
time(noun, duration)
5
cycle(noun, set, age, stage, series)
5
era(noun, time, set, round, period)
4
ages(noun, age, future, infinity, forever)
4
date(noun, duration)
4
forever(noun, age, future, infinity, era)
4
years(noun, age, stage, era, epoch)
3
billion years
3
duration(noun, duration)
3
epoch(noun, duration)
3
generation(noun, time, group, life, period)
3
long time
3
measure(noun, duration)
2
span(noun, duration)
2
blue moon(noun, time, life, period, age)
2
course(noun, set, round, age, stage)
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APASmart Define. (2015). Aeon thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/aeon/thesaurus/synonyms
ChicagoSmart Define. 2015. "Aeon thesaurus" https://smartdefine.org/aeon/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Aeon thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/aeon/thesaurus/synonyms>.
MLASmart Define. "Aeon thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/aeon/thesaurus/synonyms>