6
unending(adjective, constant, monotonous, vast, endless)
6
vast(adjective, complete, large, huge, unrestrained)
5
everlasting(adjective, constant, absolute, abundant, endless)
5
incomprehensible(adjective, complete, absolute, unrestrained, indefinite)
5
indefinite(adjective, complete, unrestrained, endless, immense)
5
unconfined(adjective, complete, unrestrained, endless, indefinite)
5
unrestricted
5
untold(adjective, constant, absolute, monotonous, unrestrained)
4
abysmal(adjective, extent, immeasurable)
4
bottomless(adjective, complete, deep, immense, infinite)
4
ceaseless(adjective, constant, abundant, unrestrained, endless)
4
enormous(adjective, absolute, huge, endless, immense)
4
indeterminate(adjective, constant, abundant, unrestrained, endless)
3
absolute
3
incessant(adjective, constant, absolute, abundant, unrestrained)
3
multitudinous(adjective, constant, abundant, unrestrained, endless)
2
almighty(adjective, godlike)
2
constant(adjective, abundant, unrestrained, endless, immense)
2
continual(adjective, constant, abundant, unrestrained, endless)
2
continuous(adjective, constant, abundant, unrestrained, endless)
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APASmart Define. (2015). illimitable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/illimitable/thesaurus/synonyms
ChicagoSmart Define. 2015. "illimitable thesaurus" https://smartdefine.org/illimitable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, illimitable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/illimitable/thesaurus/synonyms>.
MLASmart Define. "illimitable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/illimitable/thesaurus/synonyms>