1
decades
1
endless time(expression, age, future, infinity, perpetuity)
1
endlessness(age, future, infinity, perpetuity, forever)
1
endures
1
everlastingness(age, future, infinity, perpetuity, forever)
1
forever(age, future, infinity, era, perpetuity)
1
future(age, infinity, perpetuity, forever, futurity)
1
historical periods
1
hours
1
immortality(age, future, infinity, perpetuity, forever)
1
imperishability(age, future, infinity, perpetuity, forever)
1
infiniteness(age, future, infinity, perpetuity, forever)
1
infinitude(age, future, infinity, perpetuity, forever)
1
infinity(age, future, perpetuity, forever)
1
intervals(noun, durations)
1
kingdom come(expression, age, future, infinity, perpetuity)
1
lapses
1
lasts
1
lifes
1
long ago(expression, idiom, the past, diuturnity)
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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>