51 entries under noun topic. ×

4
inexhaustibility
4
longevity
3
abidingness
3
continuousness(run, endurance, stability, steadiness)
3
eternality(state, quality, continue, limited)
3
incalculability
3
innumerability
3
lengthiness
3
limitlessness
3
world without end(expression, idiom, state, quality)
2
athanasia
2
durableness
2
eternalness(state, quality, continue, limited)
2
immutability(endurance, durability, permanence, agelessness)
2
imperishability(age, future, infinity, forever)
2
long time
2
permanency
2
perpetuation(durability, immortality, permanence, forever)
2
perpetuities
2
sequence(order, run, endurance, stability)
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). perpetuity thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perpetuity/thesaurus/synonyms
ChicagoSmart Define. 2015. "perpetuity thesaurus" https://smartdefine.org/perpetuity/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, perpetuity thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perpetuity/thesaurus/synonyms>.
MLASmart Define. "perpetuity thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/perpetuity/thesaurus/synonyms>