162 entries under substantial topic. ×

13
abundant(adjective, great, big, heavy, important)
13
elephantine(adjective, great, big, heavy, awkward)
13
liberal(adjective, great, big, quantity)
12
goodly(adjective, great, big, significant)
12
copious(adjective, great, big, heavy, quantity)
12
corpulent(adjective, big, heavy, awkward)
12
fat(adjective, great, big, heavy, significant)
11
plentiful(adjective, great, big, important, quantity)
11
roomy(adjective, open, great, big)
11
sizable(adjective, open, great, big, significant)
11
tidy(adjective, great, informal, big, significant)
10
burly(adjective, great, full, fat)
10
gross(adjective, great, big, heavy, awkward)
10
magnanimous(adjective, generous)
10
stout(adjective, person, body, strong, great)
10
weighty(adjective, big, heavy, important, significant)
9
chunky(adjective, big, heavy, awkward)
8
important(adjective, important, famous, significant, familiar)
8
ponderous(adjective, great, big, heavy, full)
8
portly(adjective, big, heavy, awkward, noble)
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APASmart Define. (2016). large thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/large/thesaurus/synonyms
ChicagoSmart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, large thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>.
MLASmart Define. "large thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/large/thesaurus/synonyms>