226 entries under solid topic. ×

1
dense(adjective, set, strong, hard, firm)
1
energetic(adjective, strong, sound, tough)
1
equable(adjective, dull, firm, steady)
1
even(adjective, dull, firm, ordinary)
1
forceful(adjective, strong, sound, tough)
1
forcible(adjective, strong, sound, tough)
1
fortified(adjective, strong, firm, true)
1
gelatinous(adjective, set, heavy, deep)
1
gloppy(adjective, set, heavy, deep)
1
graceless(adjective, hard, firm, stiff)
1
gummous(adjective, set, heavy, deep)
1
gunky(adjective, set, heavy, deep)
1
hale(adjective, strong, sound, tough)
1
hard as nails(expression, adjective, idiom, strong, sound)
1
hardy(adjective, strong, sound, tough)
1
hearty(adjective, strong, sound, tough)
1
heavy(adjective, set, strong, hard, sound)
1
heavy-duty(adjective, strong, sound, tough)
1
immalleable(adjective, hard, firm, stiff)
1
impenetrable(adjective, set, heavy, short)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 21 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>