138 entries under pitiless topic. ×

7
unpitying(adjective, mean, hard, cool, severe)
6
brutish(adjective, hard, evil, nasty, harsh)
6
flinty(adjective, evil, nasty, harsh, vicious)
6
icy(adjective, mean, hard, cool, tough)
6
relentless(adjective, mean, hard, severe, evil)
6
thick-skinned(adjective, mean, feeling, hard, cool)
6
unforgiving(adjective, mean, hard, severe, harsh)
6
unyielding(adjective, mean, hard, severe, harsh)
5
anesthetized(adjective, hard, tough, severe, cruel)
5
ferocious(adjective, mean, evil, nasty, harsh)
5
grim(adjective, mean, severe, harsh, violent)
5
insensible(adjective, hard, cool, tough, severe)
5
unnatural(adjective, evil, nasty, harsh, cruel)
4
fierce(adjective, mean, severe, evil, nasty)
4
unsparing(adjective, mean, severe, harsh, cruel)
4
unfriendly(adjective, person, mean, hard, feelings)
3
unloving(adjective, person, hard, feelings, cruel)
3
atrocious(adjective, bad, wrong, evil, nasty)
3
bloodthirsty(adjective, severe, evil, nasty, harsh)
3
malevolent(adjective, mean, evil, nasty, harsh)
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APASmart Define. (2016). heartless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>