120 entries under substantial topic. ×

8
corpulent(adjective, solid, big, heavy, awkward)
8
great(adjective, person, body, big)
7
goodly(adjective, great, big, significant)
7
major(adjective, big, large, huge)
7
overweight(adjective, solid, big, heavy, awkward)
6
chunky(adjective, big, heavy, awkward)
6
fleshy(adjective, solid, big, heavy, awkward)
6
obese(adjective, solid, big, heavy, awkward)
6
respectable(adjective, significant, large, generous)
5
extensive(adjective, great, big, large)
5
large-scale(adjective, big, large, grand)
5
portly(adjective, strong, solid, big, heavy)
5
tidy(adjective, great, big, significant)
4
voluminous(great, big, awkward, large)
3
gross(adjective, great, big, heavy, awkward)
3
oversize(adjective, great, full, large)
3
thick(adjective, person, body, strong, hard)
2
dense(adjective, person, body, strong, hard)
2
elephantine(adjective, big, heavy, awkward)
2
forcible(big, heavy)
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APASmart Define. (2015). hefty thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hefty/thesaurus/synonyms
ChicagoSmart Define. 2015. "hefty thesaurus" https://smartdefine.org/hefty/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, hefty thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hefty/thesaurus/synonyms>.
MLASmart Define. "hefty thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/hefty/thesaurus/synonyms>