185 entries under hard topic. ×

2
indurated(adjective, careless, indifferent, cruel)
2
inured(adjective, careless, indifferent, cruel)
2
rough(adjective, strong, tough, severe)
2
starched(adjective, correct, firm, solid)
2
sturdy(adjective, close, strong, tough)
2
taut(adjective, rough, firm, harsh)
2
unaffected(adjective, careless, indifferent, cruel)
2
unconcerned(adjective, careless, indifferent, cruel)
2
unflexible(adjective, firm, solid, rigid)
1
accustomed(adjective, unfeeling, unsympathetic, hardened)
1
annealed(adjective, firm, solid, stiff)
1
apathetic(adjective, careless, indifferent, cruel)
1
arthritic(adjective, firm, solid, stiff)
1
benumbed(adjective, firm, solid, unfeeling)
1
blind to(expression, adjective, careless, indifferent)
1
buckram(adjective, firm, solid, stiff)
1
bullhead(adjective, mean, harsh, inflexible)
1
careless(adjective, indifferent, cruel, apathetic)
1
case-hardened(adjective, careless, indifferent, cruel)
1
cemented(adjective, firm, solid, stiff)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>