126 entries under hard topic. ×

6
mean(adjective, person, cool, nasty)
6
uncharitable(adjective, person, mean, cool)
5
numb(adjective, tough, severe, cold)
5
severe(adjective, mean, tough, harsh)
5
spiritless(adjective, cool, careless, indifferent)
5
thick-skinned(adjective, cool, tough, severe)
4
lukewarm(adjective, mean, cool, temper)
4
soulless(adjective, careless, indifferent, cruel)
4
tough(adjective, calm, mean, cool)
4
unforgiving(adjective, person, mean, harsh)
3
anesthetized(adjective, tough, severe, cold)
3
compassionless(adjective, attitude, cruel, unfeeling)
3
cutthroat(adjective, mean, harsh, cruel)
3
disinterested(adjective, calm, mean, cool)
3
halfhearted(adjective, mean, cool, temper)
3
inflexible(adjective, person, careless, indifferent)
3
insentient(adjective, bad, careless, cold)
3
iron-hearted(adjective, bad, tough, severe)
3
relentless(adjective, mean, evil, nasty)
3
remorseless(adjective, mean, harsh, violent)
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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>