233 entries under solid topic. ×

1
gelatinous(adjective, heavy, deep, stiff)
1
gloppy(adjective, heavy, deep, stiff)
1
graceless(adjective, hard, firm, stiff)
1
gummous(adjective, heavy, deep, stiff)
1
gunky(adjective, heavy, deep, stiff)
1
immalleable(adjective, hard, firm, stiff)
1
impenetrable(adjective, hard, tough, firm)
1
impervious(adjective, hard, tough, heavy)
1
impliable(adjective, hard, firm, stiff)
1
incompliant(adjective, hard, firm, stiff)
1
insured(adjective, certain, sure, confident)
1
intense(adjective, firm, deep, steady)
1
jellied(verb, adjective, heavy, deep)
1
made certain(expression, adjective, certain, sure)
1
mechanical(adjective, hard, firm, ordinary)
1
never-failing(adjective, strong, flat, firm)
1
nonporous(hard, tough, rigid, inflexible)
1
numbed(adjective, hard, firm, stiff)
1
opaque(adjective, heavy, deep, stiff)
1
perdurable(calm, strong, steady, substantial)
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APASmart Define. (2016). set thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/set/thesaurus/synonyms
ChicagoSmart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, set thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>.
MLASmart Define. "set thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/set/thesaurus/synonyms>