170 entries under adjective topic. ×

1
starched(verb, hard, firm, solid)
1
starchy(hard, firm, solid, tense)
1
stark(hard, firm, solid, tense)
1
steadfast(determined, resolute, uncompromising, unshakeable)
1
stiff as a board(expression, idiom, firm, solid)
1
stockish(bad, cold, aloof, no feelings)
1
stony(hard, firm, solid, stiff)
1
strong(set, hard, firm, solid)
1
strong-willed(determined, resolute, uncompromising, unshakeable)
1
taut(hard, firm, solid, stiff)
1
tearless(bad, cold, aloof, no feelings)
1
tense(hard, firm, solid, stiff)
1
thick(hard, firm, solid, stiff)
1
thickened(hard, firm, solid, tense)
1
tight(hard, firm, solid, stiff)
1
tough nut to crack(expression, idiom, mean, hard)
1
unalive(bad, cold, aloof, no feelings)
1
uncompassionate(mean, hard, tough, harsh)
1
uncompliant(determined, resolute, uncompromising, unshakeable)
1
uncooperative(mean, hard, tough, harsh)
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APASmart Define. (2015). indurate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/indurate/thesaurus/synonyms
ChicagoSmart Define. 2015. "indurate thesaurus" https://smartdefine.org/indurate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, indurate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/indurate/thesaurus/synonyms>.
MLASmart Define. "indurate thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/indurate/thesaurus/synonyms>