55 entries under stiff topic. ×

1
jelled(adjective, set, hard, tough, solid)
1
jellied(adjective, set, solid, heavy, deep)
1
opaque(adjective, set, solid, heavy, deep)
1
ossified(adjective, set, solid, heavy, deep)
1
strong(adjective, close, set, hard, firm)
1
syrupy(adjective, set, solid, heavy, deep)
1
thickened(adjective, set, solid, heavy, deep)
1
turbid(adjective, set, solid, heavy, deep)
1
vitrified(adjective, set, solid, heavy, deep)
0
adamantine(adjective, set, strong, hard, firm)
0
durable(adjective, firm, rigid)
0
indurated(adjective, set, strong, hard, firm)
0
iron(adjective, set, strong, hard, firm)
0
rocky(adjective, set, strong, hard, firm)
0
unbreakable(adjective, firm, rigid)
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APASmart Define. (2016). compressed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/compressed/thesaurus/synonyms
ChicagoSmart Define. 2016. "compressed thesaurus" https://smartdefine.org/compressed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, compressed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/compressed/thesaurus/synonyms>.
MLASmart Define. "compressed thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/compressed/thesaurus/synonyms>