120 entries under substantial topic. ×

2
hard as nails(expression, adjective, idiom, strong, hard)
2
sober(big, heavy)
2
zaftig(adjective, solid, heavy, overweight)
1
abiding(calm, strong, tough, solid)
1
able(adjective, strong, sound, tough, fit)
1
active(adjective, strong, sound, tough, fit)
1
anchored(calm, strong, solid, steady)
1
balanced(calm, strong, solid, steady)
1
brick-wall(calm, strong, solid, steady)
1
built(adjective, strong, tough, fit, awkward)
1
calm(strong, solid, steady, even)
1
capable(adjective, strong, sound, tough, fit)
1
considerable(strong, big, heavy, powerful, awkward)
1
cumbersome(big, heavy, awkward, large)
1
cumbrous(big, heavy, awkward, large)
1
deep-rooted(adjective, calm, strong, solid, steady)
1
equable(calm, strong, solid, steady)
1
even(calm, strong, solid, steady)
1
fixed(adjective, strong, sound, tough, solid)
1
fixed resistant(expression, calm, strong, solid)
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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>