2
undefined(adjective, immense, infinite, boundless, unlimited)
2
universal(adjective, complete, absolute, unrestrained, extensive)
2
unrestricted(adjective, complete, absolute, unrestrained, extensive)
2
without limit(expression, idiom, infinity)
2
without measure(expression, idiom, infinity)
1
absolute(adjective, complete, abundant, unrestrained, extensive)
1
all-comprehensive
1
all-inclusive
1
amaranthine(constant, abundant, unrestrained, endless, immense)
1
bags of(expression, adjective, untidy, fluffy, unfastidious)
1
beyond measure
1
bounteous(adjective, numerous)
1
complete(adjective, great, full, absolute, abundant)
1
continuous(adjective, constant, abundant, unrestrained, endless)
1
copious
1
crowded(adjective, numerous)
1
deathless(constant, abundant, unrestrained, immense, infinite)
1
enduring(constant, abundant, unrestrained, immense, infinite)
1
enormous
1
extending everywhere
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APASmart Define. (2015). countless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/countless/thesaurus/synonyms
ChicagoSmart Define. 2015. "countless thesaurus" https://smartdefine.org/countless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, countless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/countless/thesaurus/synonyms>.
MLASmart Define. "countless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/countless/thesaurus/synonyms>