9
inexhaustible(adjective, vague, unknown, general, ambiguous)
9
interminable(adjective, infinite, infinity)
9
unbounded(adjective, vast, immense, infinite, boundless)
9
unfathomable(adjective, vast, immense, infinite, boundless)
8
innumerous
7
inestimable(adjective, big)
6
perpetual(adjective, infinite, infinity)
6
unnumberable
6
vast(adjective, immense, infinite, boundless, unlimited)
5
eternal(adjective, infinite)
5
incomprehensible(immense, infinite, boundless, unlimited, infinity)
5
incomputable(adjective, big, incalculable)
5
indefinite(adjective, vague, unknown, ambiguous, unfixed)
4
bottomless(adjective, immense, infinite, boundless, unlimited)
4
frequent(adjective, infinite, many)
4
termless(adjective, infinite, infinity)
4
umpteen(adjective, many)
4
unmeasured
4
unnumerable
3
exhaustless
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APASmart Define. (2015). innumerable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/innumerable/thesaurus/synonyms
ChicagoSmart Define. 2015. "innumerable thesaurus" https://smartdefine.org/innumerable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, innumerable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/innumerable/thesaurus/synonyms>.
MLASmart Define. "innumerable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/innumerable/thesaurus/synonyms>