5
eternality(noun, limited, totality, endlessness)
5
imperishability(noun, time, age, future, duration)
5
measurelessness(noun, state, quality, limited)
5
unlimited number(expression, quantity, amount, number)
4
myriad(noun, mass, crowd, gathering, space)
4
immortality(noun, age, future, perpetuity, forever)
4
immutability(noun, time, period, interval, deity)
4
sempiternity(noun, limited, totality, endlessness, eternity)
4
endless time(noun, expression, age, future, forever)
4
interminability(noun, time, period, interval, perpetuity)
4
continuity(noun, endlessness, eternity, immensity)
4
enormity(noun, greatness, magnitude, vastness, immensity)
4
time without end(expression, idiom, age, future, forever)
4
vastness(noun, amount, size, number, magnitude)
4
constancy(noun, world, comprehension, perpetuity)
4
eternalness(noun, time, limited, amount, totality)
4
foreverness(noun, characteristics, traits, coverage)
4
grandness(noun, magnitude, vastness, enormity)
4
infinite duration(expression, time, reach, amount)
4
unboundedness(noun, state, quality, limited)
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APASmart Define. (2015). infinity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/infinity/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinity thesaurus" https://smartdefine.org/infinity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, infinity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/infinity/thesaurus/synonyms>.
MLASmart Define. "infinity thesaurus" 11 December 2015. Web. 21 September 2026. <https://smartdefine.org/infinity/thesaurus/synonyms>