4
world without end(expression, idiom, age, future, perpetuity)
3
immensity(noun, amount, size, number, greatness)
3
abundance(noun, quantity, amount, number, characteristics)
3
immeasurability(noun, state, quality, limited, endlessness)
3
unlimited space(noun, expression, idiom, amount, space)
3
enormousness(noun, time, duration, eternity)
3
immeasurableness(noun, state, quality, limited)
3
everlasting(noun, characteristics, traits, coverage)
3
incalculability(noun, amount, extra, addition)
3
inexhaustibility(noun, state, quality, limited, magnitude)
3
infinite(noun, magnitude, vastness, enormity)
3
lastingness(noun, amount, extra, addition, perpetuity)
2
cosmos(noun, time, amount, size, eternity)
2
abyss(noun, time, space, period, interval)
2
continuum(noun, endlessness, eternity, immensity)
2
permanency(noun, characteristics, traits, coverage)
2
afterward
2
hereafter
2
host(noun, mass, quantity, crowd, gathering)
2
oodles(noun, mass, crowd, gathering, throng)
10 years ago|41k views|share |citing 
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>