170 entries under adjective topic. ×

4
pachydermatous
4
unfeeling(bad, cold, aloof, no feelings)
4
unsympathetic(mean, bad, hard, cold)
3
adamant(mean, hard, tough, resolute)
3
adamantine(set, firm, determined, stiff)
3
hard-boiled(mean, bad, hard, cold)
3
immovable(mean, hard, determined, resolute)
3
implacable(mean, hard, determined, resolute)
3
incompliant(firm, solid, determined, resolute)
3
inhuman(bad, cold, aloof, no feelings)
3
intransigent(determined, resolute, uncompromising, unshakeable)
3
iron(set, mean, hard, firm)
3
relentless(mean, hard, determined, resolute)
3
stiff(set, strong, hard, firm)
3
stiff-necked(mean, hard, determined, stiff)
3
thick-skinned(mean, hard, tough, harsh)
2
calcified(verb, close, set, firm)
2
case-hardened(verb, dull, develop, blunt)
2
chill(set, bad, cold, aloof)
2
compact(verb, close, set, fix)
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APASmart Define. (2015). indurate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/indurate/thesaurus/synonyms
ChicagoSmart Define. 2015. "indurate thesaurus" https://smartdefine.org/indurate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, indurate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/indurate/thesaurus/synonyms>.
MLASmart Define. "indurate thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/indurate/thesaurus/synonyms>