9
gigantic(adjective, great, big, large, huge)
9
sizable(adjective, great, substantial, large, extensive)
8
massive(adjective, great, big, substantial, large)
8
generous(adjective, open, great, big, substantial)
8
open(adjective, light, spread, loose, full)
8
well-rounded(adjective, comprehensive, overall, global, cosmic)
7
bulky(adjective, great, big, large, size)
7
copious(adjective, great, big, substantial, large)
7
multiskilled
6
boundless(adjective, open, big, space, grand)
6
colossal(adjective, great, big, large, huge)
6
comfortable(adjective, extensive, expansive)
6
grand(adjective, great, big, large, splendid)
6
mammoth(adjective, large)
6
sizeable
5
airy(adjective, clear, light, free, accessible)
5
cavernous(adjective, large, hollow, extensive, expansive)
5
full(adjective, comprehensive, overall, global, cosmic)
5
infinite(adjective, space, extensive, expansive)
5
prodigious(adjective, large)
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APASmart Define. (2015). spacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/spacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "spacious thesaurus" https://smartdefine.org/spacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, spacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/spacious/thesaurus/synonyms>.
MLASmart Define. "spacious thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/spacious/thesaurus/synonyms>