126 entries under hard topic. ×

3
senseless(adjective, bad, tough, severe)
3
unaffected(adjective, tough, attitude, temper)
3
unimpressionable(adjective, careless, indifferent, cruel)
2
brutish(adjective, evil, nasty, harsh)
2
coldblooded(adjective, careless, apathetic, unfeeling)
2
nasty(adjective, mean, cool, unpleasant)
2
obtuse(adjective, unfeeling, unsympathetic, hardened)
2
unpitying(adjective, mean, cool, unpleasant)
2
unsusceptible(adjective, careless, indifferent, cruel)
1
antipathetic(adjective, mean, cool, unpleasant)
1
asleep(adjective, tough, severe, cold)
1
austere(adjective, tough, harsh, cruel)
1
aversive(adjective, mean, cool, unpleasant)
1
benumbed(adjective, tough, severe, cold)
1
blind to(expression, adjective, careless, indifferent)
1
cantankerous(adjective, tough, severe, cold)
1
careless(adjective, indifferent, cruel, apathetic)
1
case-hardened(adjective, careless, indifferent, cruel)
1
churlish(adjective, tough, severe, cold)
1
cold fish(expression, adjective, cool, tough)
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APASmart Define. (2016). cold-blooded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cold-blooded/thesaurus/synonyms
ChicagoSmart Define. 2016. "cold-blooded thesaurus" https://smartdefine.org/cold-blooded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, cold-blooded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cold-blooded/thesaurus/synonyms>.
MLASmart Define. "cold-blooded thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/cold-blooded/thesaurus/synonyms>