70 entries under noun topic. ×

16
time(course, life, stretch, period)
14
life(time, present, turn, point)
13
age(time, period, age)
8
day(time, period, live)
8
generation(present, turn, point, course)
8
period(present, turn, point, course)
7
existence(time, period, live, span)
7
duration(time, present, turn, point)
6
lifespan
6
longevity(course, age, duration)
5
decade
5
epoch(present, turn, point, course)
5
era(present, turn, point, course)
5
hour
5
life span(expression, idiom, present, turn)
4
career(time, course, life, span)
4
endurance
4
month
4
past
4
week
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APASmart Define. (2015). lifetime thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lifetime/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifetime thesaurus" https://smartdefine.org/lifetime/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, lifetime thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lifetime/thesaurus/synonyms>.
MLASmart Define. "lifetime thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/lifetime/thesaurus/synonyms>