32 entries under extensive topic. ×

26
large(adjective, great, big, substantial, large)
24
spacious(adjective, great, big, substantial, space)
22
vast(adjective, open, great, space, large)
19
ample(adjective, great, big, substantial, space)
17
voluminous(adjective, great, big, substantial, large)
17
expansive(adjective, space, large, ample)
17
roomy(adjective, great, big, substantial, space)
13
broad(adjective, great, big, large)
12
commodious(adjective, great, big, substantial, large)
12
comprehensive(adjective, great, big, substantial, large)
11
immense(adjective, open, great, big, large)
11
wide(adjective, large, ample, tighten)
9
enormous(adjective, open, great, big, large)
8
generous(adjective, open, great, big, substantial)
7
extended(adjective, open, big, space, large)
6
abundant(adjective, great, big, substantial, large)
6
plentiful(adjective, great, big, substantial, sufficient)
6
sizable(adjective, great, substantial, large)
6
substantial(adjective, great, big, generous, sufficient)
5
sweeping(great, spread, big, grand, thick)
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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>