81 entries under stiff topic. ×

1
caked(adjective, dense, syrupy, concentrated)
1
cemented(adjective, hard, firm, solid)
1
chilled(adjective, hard, firm, solid)
1
contracted(adjective, hard, firm, solid)
1
creaky(adjective, hard, firm, solid)
1
frozen(adjective, hard, firm, solid)
1
gloppy(adjective, dense, syrupy, concentrated)
1
graceless(adjective, hard, firm, solid)
1
gunky(adjective, dense, syrupy, concentrated)
1
hardened(adjective, hard, tough, 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
inflexible(adjective, strong, hard, tough, firm)
1
iron(adjective, strong, hard, tough, firm)
1
mechanical(adjective, hard, firm, solid)
1
numbed(adjective, hard, firm, solid)
1
ossified(adjective, hard, firm, solid)
1
petrified(adjective, hard, firm, solid)
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APASmart Define. (2016). thick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>