120 entries under substantial topic. ×

10
healthy(adjective, strong, sound, tough, right)
10
sinewy(adjective, strong, sound, tough, solid)
10
well-built(adjective, calm, person, body, strong)
9
gross(adjective, big, heavy, awkward)
9
large(adjective, person, body, strong, great)
9
tenacious(adjective, strong, sound, tough, fit)
9
weighty(adjective, solid, big, heavy, important)
6
forcible(adjective, strong, sound, strength, tough)
5
dense(adjective, person, body, big, heavy)
5
forceful(adjective, strong, great, sound, tough)
5
massive(adjective, person, body, strong, big)
4
energetic(adjective, strong, sound, tough, solid)
4
well-founded(adjective, calm, strong, sound, secure)
4
well-made(adjective, strong, sound, tough, solid)
3
porcine(adjective, solid, big, heavy, awkward)
3
reliable(adjective, calm, strong, secure, tough)
3
sure(adjective, calm, strong, tough, firm)
2
ample(adjective, big, heavy, awkward)
2
earnest(big, heavy)
2
elephantine(adjective, big, awkward, round)
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APASmart Define. (2016). stout thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stout/thesaurus/synonyms
ChicagoSmart Define. 2016. "stout thesaurus" https://smartdefine.org/stout/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, stout thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stout/thesaurus/synonyms>.
MLASmart Define. "stout thesaurus" 2 March 2016. Web. 26 September 2026. <https://smartdefine.org/stout/thesaurus/synonyms>