147 entries under big topic. ×

7
cavernous(adjective, large, vast)
7
colossal(adjective, great, awkward, large)
7
full(adjective, great, substantial, large)
7
generous(adjective, give, open, great)
7
grandiose(adjective, great, large, grand)
7
plentiful(adjective, give, great, substantial)
6
mountainous(great, grand, huge, impressive)
6
profuse(great, abundant, considerable, plentiful)
5
abundant(adjective, give, great, substantial)
5
boundless(adjective, open, large, grand)
5
humongous(adjective, great, large, huge)
5
immeasurable(adjective, great, huge, immense)
5
stupendous(adjective, great, huge)
4
giant(adjective, great, large, huge)
4
hefty(great, awkward, substantial, large)
4
jumbo(adjective, great, substantial, generous)
4
numerous(adjective, abundant, vast, many)
4
plenitudinous(adjective, give, rich, generous)
4
plenteous(adjective, give, great, complete)
4
prolific(adjective, large, abundant, huge)
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APASmart Define. (2015). voluminous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/voluminous/thesaurus/synonyms
ChicagoSmart Define. 2015. "voluminous thesaurus" https://smartdefine.org/voluminous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, voluminous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/voluminous/thesaurus/synonyms>.
MLASmart Define. "voluminous thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/voluminous/thesaurus/synonyms>