194 entries under hard topic. ×

2
indurated(adjective, careless, indifferent, cruel)
2
inhumane(adjective, mean, tough, harsh)
2
insentient(adjective, careless, indifferent, cruel)
2
numb(adjective, tough, severe, cold)
2
obtuse(adjective, unfeeling, unsympathetic, hardened)
2
rough(adjective, person, strong, tough)
2
unadaptable(adjective, resolute, rigid, inflexible)
2
uncharitable(mean, hateful, unsympathetic, impatient)
2
unkind(adjective, mean, cool, tough)
2
unrepenting(adjective, tough, unfeeling, unsympathetic)
2
untouched(mean, unsympathetic)
1
accustomed(adjective, unfeeling, unsympathetic, hardened)
1
anesthetized(adjective, tough, severe, cold)
1
antipathetic(adjective, mean, cool, unpleasant)
1
aversive(adjective, mean, cool, unpleasant)
1
barbarous(adjective, mean, harsh, cold)
1
bitter(adjective, strong, tough, harsh)
1
blind to(expression, adjective, careless, indifferent)
1
careless(adjective, indifferent, cruel, apathetic)
1
churlish(adjective, tough, severe, cold)
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APASmart Define. (2016). obdurate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms
ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>