183 entries under severe topic. ×

6
rigid(adjective, harsh, cruel, determined)
6
stern(adjective, mean, hard, sharp)
6
uncompromising(adjective, harsh, cruel, determined)
6
unsparing(adjective, person, mean, harsh)
5
austere(adjective, hard, sharp, nasty)
5
coldhearted(adjective, hard, care, harsh)
5
dog-eat-dog(adjective, mean, hard, care)
5
flinty(adjective, close, hard, nasty)
5
unbending(adjective, harsh, cruel, determined)
4
cold-hearted(adjective, hard, tough, cold)
4
monstrous(adjective, nasty, harsh, cruel)
4
stiff(adjective, harsh, cruel, determined)
4
uncaring(adjective, person, hard, tough)
3
abusive(adjective, hard, sharp, nasty)
3
apathetic(adjective, hard, tough, cold)
3
compassionless(adjective, mean, hard, harsh)
3
exacting(adjective, hard, tough, harsh)
3
hard-boiled(adjective, hard, sharp, nasty)
3
insensible(adjective, hard, tough, care)
3
nasty(adjective, hard, sharp, bleak)
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APASmart Define. (2016). pitiless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms
ChicagoSmart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, pitiless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>.
MLASmart Define. "pitiless thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms>