63 entries under hardened topic. ×

3
unresponsive(adjective, hard, careless, indifferent, cruel)
2
hard-bitten(adjective, hard, careless, indifferent, cruel)
2
hard-nosed(adjective, hard, unfeeling, unsympathetic)
2
hardhearted(adjective, hard, careless, indifferent, cruel)
2
heartless(adjective, hard, careless, indifferent, cruel)
2
inflexible(adjective, hard, careless, indifferent, cruel)
2
insensate(noun, adjective, hard, careless, indifferent)
2
insensible(adjective, hard, careless, indifferent, cruel)
2
unbending(adjective, hard, careless, indifferent, cruel)
2
unconcerned(adjective, hard, careless, indifferent, cruel)
2
unemotional(adjective, hard, unfeeling, unsympathetic)
1
apathetic(adjective, hard, careless, indifferent, cruel)
1
benumbed(adjective, hard, unfeeling, unsympathetic)
1
blind to(expression, adjective, hard, careless, indifferent)
1
careless(adjective, hard, indifferent, cruel, apathetic)
1
cold-blooded(adjective, hard, careless, indifferent, cruel)
1
coldhearted(adjective, hard, unfeeling, unsympathetic)
1
contemptuous(adjective, hard, unfeeling, unsympathetic)
1
deaf to(expression, adjective, hard, careless, indifferent)
1
disdainful(adjective, hard, unfeeling, unsympathetic)
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APASmart Define. (2015). inured thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inured/thesaurus/synonyms
ChicagoSmart Define. 2015. "inured thesaurus" https://smartdefine.org/inured/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inured thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inured/thesaurus/synonyms>.
MLASmart Define. "inured thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/inured/thesaurus/synonyms>