63 entries under stiff topic. ×

2
indurated(adjective, set, hard, firm, careless)
2
inelastic(adjective, hard, firm, solid)
2
resistant(adjective, hard, firm, solid)
1
annealed(adjective, hard, firm, solid)
1
arthritic(adjective, hard, firm, solid)
1
brittle(adjective, hard, firm, solid)
1
buckram(adjective, hard, firm, solid)
1
cemented(adjective, hard, firm, solid)
1
chilled(adjective, hard, firm, solid)
1
congealed(adjective, hard, firm, solid)
1
contracted(adjective, hard, firm, solid)
1
creaky(adjective, hard, firm, solid)
1
frozen(adjective, hard, firm, solid)
1
graceless(adjective, hard, firm, solid)
1
immalleable(adjective, hard, firm, solid)
1
impliable(adjective, hard, firm, solid)
1
incompliant(adjective, hard, firm, solid)
1
indurate(adjective, hard, firm, solid)
1
iron(adjective, set, strong, hard, firm)
1
jelled(adjective, hard, firm, solid)
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APASmart Define. (2016). stony thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stony/thesaurus/synonyms
ChicagoSmart Define. 2016. "stony thesaurus" https://smartdefine.org/stony/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, stony thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stony/thesaurus/synonyms>.
MLASmart Define. "stony thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/stony/thesaurus/synonyms>