8
generous(adjective, open, great, big, substantial)
7
bulky(adjective, great, big, large, size)
7
extended(adjective, open, big, space, large)
6
abundant(adjective, great, big, substantial, large)
6
colossal(adjective, great, big, large, huge)
6
copious(adjective, great, big, substantial, large)
6
mammoth(adjective, large)
6
plentiful(adjective, great, big, substantial, sufficient)
6
sizable(adjective, great, substantial, large, extensive)
6
substantial(adjective, great, big, generous, sufficient)
5
humongous(adjective, great, big, large, huge)
5
infinite(adjective, space)
5
sizeable
5
sweeping(great, spread, big, grand, thick)
5
tremendous(adjective, large)
4
cavernous(adjective, large)
4
considerable(adjective, great, big, substantial, large)
4
elephantine(adjective, large)
4
giant(adjective, great, big, large, huge)
4
grand(adjective, great, big, large, huge)
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APASmart Define. (2016). capacious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/capacious/thesaurus/synonyms
ChicagoSmart Define. 2016. "capacious thesaurus" https://smartdefine.org/capacious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, capacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/capacious/thesaurus/synonyms>.
MLASmart Define. "capacious thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/capacious/thesaurus/synonyms>