67 entries under great topic. ×

23
large(adjective, big, substantial, large)
20
massive(adjective, big, substantial, large)
19
ample(adjective, give, open, spread)
17
capacious(adjective, big, substantial, large)
17
extensive(adjective, big, substantial, large)
16
big(adjective, substantial, large, size)
15
huge(adjective, big, large, grand)
14
bulky(adjective, big, awkward, large)
14
enormous(adjective, big, large, grand)
14
vast(adjective, open, large, huge)
13
gigantic(adjective, big, large, grand)
13
spacious(adjective, big, substantial, large)
12
copious(adjective, give, big, substantial)
10
substantial(adjective, give, big, heavy)
9
sizable(adjective, open, big, substantial)
9
immense(adjective, open, big, large)
9
roomy(adjective, open, spread, big)
8
comprehensive(adjective, big, substantial, large)
8
considerable(adjective, big, substantial, large)
8
broad(adjective, big, substantial, large)
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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>