3
lifetimes
3
long stretches
3
spans(noun, points, turns, terms, seconds)
2
blue moon(noun, expression, idiom, time, age)
2
century
2
courses(noun, stages, durations, eras)
2
declines(noun, verb)
2
deteriorates(noun, verb)
2
develops
2
durations(noun, durations)
2
eternities
2
long
2
mellows
2
relatively long time(expression, idiom)
2
terms
2
time immemorial(noun, expression, idiom, time, eternity)
1
advances
1
afterlife(age, future, infinity, perpetuity, forever)
1
antiquities
1
becomes ripe
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). ages thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ages/thesaurus/synonyms
ChicagoSmart Define. 2015. "ages thesaurus" https://smartdefine.org/ages/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, ages thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ages/thesaurus/synonyms>.
MLASmart Define. "ages thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/ages/thesaurus/synonyms>