1
measures(noun, durations)
1
microseconds
1
millennia
1
milliseconds
1
minorities
1
minutes
1
month of Sundays(noun, expression, idiom, forever, eternity)
1
months
1
olds
1
other world(expression, age, future, infinity, perpetuity)
1
pages
1
periods of time(expression, idiom)
1
perpetuities
1
perpetuity(noun, age, future, infinity, forever)
1
quite a while(expression, idiom)
1
seconds
1
semesters
1
spells(noun, durations)
1
stages of history(expression, idiom)
1
time out of mind(noun, expression, idiom, memory, eternity)
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APASmart Define. (2015). ages thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ages/thesaurus/synonyms
ChicagoSmart Define. 2015. "ages thesaurus" https://smartdefine.org/ages/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ages thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ages/thesaurus/synonyms>.
MLASmart Define. "ages thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/ages/thesaurus/synonyms>