4
wide(great, big, substantial, huge, sufficient)
3
enough(adjective, great, full, substantial, acceptable)
3
aplenty(adjective, heavy, substantial, rich, large)
3
cavernous(adjective, large)
3
colossal(adjective, great, big, large, huge)
3
complete(adjective, exact, full, definite, precise)
3
detailed(top, full, generous, adequate, thorough)
3
diffusive(adjective, dull, loose, wordy, prolix)
3
exorbitant(adjective, great, big, huge, superfluous)
3
free-flowing
3
giant(adjective, great, big, large, huge)
3
grandiose(adjective, great, big, large, huge)
3
humongous(adjective, great, big, large, huge)
3
immense(adjective, great, big, large, huge)
3
immoderate(adjective, extreme, grand, extravagant, generous)
3
impressive(adjective, large, grand, extravagant, generous)
3
inexhaustible
3
magnanimous(adjective, generous, lavish, abundant, ample)
3
multitudinous(adjective, great, big, large, abundant)
3
overabundant(adjective, superfluous)
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APASmart Define. (2016). copious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/copious/thesaurus/synonyms
ChicagoSmart Define. 2016. "copious thesaurus" https://smartdefine.org/copious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, copious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/copious/thesaurus/synonyms>.
MLASmart Define. "copious thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/copious/thesaurus/synonyms>