140 entries under great topic. ×

33
voluminous(adjective, big, substantial, grand)
26
vast(adjective, big, abundant, huge)
23
extensive(adjective, big, significant, substantial)
22
spacious(adjective, open, big, substantial)
21
bulky(adjective, person, body, strong)
20
broad(adjective, open, spread, big)
19
capacious(adjective, open, big, substantial)
17
considerable(adjective, big, important, significant)
17
grand(adjective, strong, big, powerful)
16
generous(adjective, fair, big, important)
16
giant(adjective, big, high, fat)
15
hefty(adjective, person, body, big)
14
mammoth(adjective, awkward, huge, vast)
13
abundant(adjective, big, heavy, important)
13
elephantine(adjective, big, heavy, awkward)
13
liberal(adjective, big, quantity, substantial)
12
goodly(adjective, big, significant, substantial)
12
humongous(adjective, informal, big, abundant)
12
copious(adjective, big, heavy, quantity)
12
fat(adjective, big, heavy, significant)
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APASmart Define. (2016). large thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/large/thesaurus/synonyms
ChicagoSmart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, large thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>.
MLASmart Define. "large thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/large/thesaurus/synonyms>