140 entries under noun topic. ×

27
eternity(turn, point, limited, period)
18
endlessness(time, amount, size, number)
16
boundlessness(state, time, quality, limited)
14
perpetuity(limited, age, characteristics, future)
12
forever(age, future, perpetuity, eternity)
12
infinitude(mass, crowd, gathering, amount)
11
everlastingness(age, future, perpetuity, forever)
9
ceaselessness(continuity, vastness, perpetuity, continuum)
9
infiniteness(state, quality, limited, amount)
9
limitlessness(state, quality, limited, amount)
9
intensity(time, period, greatness, interval)
7
space(time, scope, stretch, period)
7
timelessness(age, characteristics, future, traits)
7
ubiquity(space, endlessness, eternity)
7
permanence(characteristics, traits, perpetuity, coverage)
7
billion(magnitude, vastness, enormity)
6
multitude(group, mass, quantity, crowd)
6
aeon(time, age, future, perpetuity)
6
greatness(greatness, magnitude, vastness, enormity)
6
unlimitedness(state, quality, limited, amount)
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APASmart Define. (2015). infinity thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infinity/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinity thesaurus" https://smartdefine.org/infinity/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, infinity thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infinity/thesaurus/synonyms>.
MLASmart Define. "infinity thesaurus" 11 December 2015. Web. 23 September 2026. <https://smartdefine.org/infinity/thesaurus/synonyms>