65 entries under hardhearted topic. ×

9
relentless(adjective, animal, mean, hard, tough)
8
uncompassionate(adjective, animal, hard, tough, severe)
7
insensate(adjective, bad, hard, tough, severe)
7
insensible(adjective, bad, hard, tough, severe)
6
stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic)
6
tough(adjective, hard, severe, harsh, violent)
6
uncaring(adjective, person, mean, bad, hard)
5
hard-boiled(adjective, bad, hard, cold, cruel)
5
indifferent(adjective, hard, temper, cold, negative)
5
obdurate(adjective, mean, hard, tough, severe)
4
stony(adjective, mean, hard, tough, severe)
3
apathetic(adjective, hard, tough, severe, temper)
3
icy(adjective, hard, tough, severe, temper)
3
iron-hearted(adjective, bad, hard, tough, severe)
3
senseless(adjective, bad, hard, tough, severe)
3
unmoved(adjective, temper, cold, cruel, negative)
2
cold-hearted(adjective, hard, tough, severe, cold)
2
compassionless(adjective, hard, cruel, unfeeling, unsympathetic)
2
exacting(adjective, hard, tough, severe, cold)
2
thick-skinned(adjective, hard, tough, severe, cruel)
10 years ago|14k views|share |citing 
APASmart Define. (2016). inhuman thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inhuman/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhuman thesaurus" https://smartdefine.org/inhuman/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, inhuman thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inhuman/thesaurus/synonyms>.
MLASmart Define. "inhuman thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/inhuman/thesaurus/synonyms>