199 entries under hard topic. ×

1
impenitent(adjective, careless, indifferent, cruel)
1
impliable(adjective, firm, solid, stiff)
1
inaccessible(adjective, unfeeling, unsympathetic, hardened)
1
inanimate(adjective, tough, severe, cruel)
1
incompliant(adjective, firm, solid, stiff)
1
incurious(adjective, indifferent, unsympathetic, unkind)
1
indurate(adjective, firm, solid, stiff)
1
insensate(adjective, tough, severe, careless)
1
insentient(adjective, careless, indifferent, cruel)
1
insusceptible(adjective, insensitive, unsusceptible)
1
iron(adjective, set, strong, firm)
1
iron-hearted(adjective, tough, severe, cruel)
1
jelled(adjective, firm, solid, stiff)
1
lukewarm(adjective, mean, cool, unpleasant)
1
mechanical(adjective, firm, solid, stiff)
1
nasty(adjective, mean, cool, unpleasant)
1
numbed(adjective, firm, solid, stiff)
1
obtuse(adjective, indifferent, unfeeling, unsympathetic)
1
ossified(adjective, firm, solid, stiff)
1
petrified(adjective, firm, solid, rigid)
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APASmart Define. (2016). stony thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stony/thesaurus/synonyms
ChicagoSmart Define. 2016. "stony thesaurus" https://smartdefine.org/stony/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, stony thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stony/thesaurus/synonyms>.
MLASmart Define. "stony thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/stony/thesaurus/synonyms>