27
eternity(noun, turn, point, limited, period)
18
endlessness(noun, time, amount, size, number)
16
boundlessness(noun, state, time, quality, limited)
14
perpetuity(noun, limited, age, characteristics, future)
12
forever(noun, age, future, perpetuity, eternity)
12
infinitude(noun, mass, crowd, gathering, amount)
11
everlastingness(noun, age, future, perpetuity, forever)
9
ceaselessness(noun, continuity, vastness, perpetuity, continuum)
9
infiniteness(noun, state, quality, limited, amount)
9
limitlessness(noun, state, quality, limited, amount)
9
intensity(noun, time, period, greatness, interval)
7
space(noun, time, scope, stretch, period)
7
timelessness(noun, age, characteristics, future, traits)
7
ubiquity(noun, space, endlessness, eternity)
7
permanence(noun, characteristics, traits, perpetuity, coverage)
7
billion(noun, magnitude, vastness, enormity)
6
multitude(noun, group, mass, quantity, crowd)
6
aeon(noun, time, age, future, perpetuity)
6
greatness(noun, greatness, magnitude, vastness, enormity)
6
unlimitedness(noun, state, quality, limited, amount)
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APASmart Define. (2015). infinity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/infinity/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinity thesaurus" https://smartdefine.org/infinity/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, infinity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/infinity/thesaurus/synonyms>.
MLASmart Define. "infinity thesaurus" 11 December 2015. Web. 20 September 2026. <https://smartdefine.org/infinity/thesaurus/synonyms>