110 entries under hard topic. ×

5
austere(adjective, severe, sharp, nasty)
5
coldhearted(adjective, severe, care, harsh)
5
dog-eat-dog(adjective, mean, severe, care)
5
flinty(adjective, close, severe, nasty)
5
frigid(adjective, care, heartless, merciless)
5
sanguinary(adjective, tough, harsh, violent)
4
cold-hearted(adjective, tough, severe, cold)
4
uncaring(adjective, person, tough, severe)
3
abusive(adjective, severe, sharp, nasty)
3
apathetic(adjective, tough, severe, cold)
3
bloody(adjective, tough, harsh, violent)
3
compassionless(adjective, mean, severe, harsh)
3
exacting(adjective, tough, severe, harsh)
3
hard-boiled(adjective, severe, sharp, nasty)
3
insensible(adjective, tough, severe, care)
3
nasty(adjective, severe, sharp, bleak)
3
rude(adjective, severe, sharp, nasty)
3
soulless(adjective, care, unfeeling, unsympathetic)
3
thick-skinned(adjective, tough, severe, cruel)
2
forbidding(adjective, close, tough, severe)
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APASmart Define. (2016). pitiless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms
ChicagoSmart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, pitiless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>.
MLASmart Define. "pitiless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms>