172 entries under cruel topic. ×

15
unmerciful(adjective, mean, severe, harsh)
15
cold-hearted(adjective, person, feeling, hard, tough)
13
hard-boiled(adjective, mean, feeling, hard, attitude)
13
uncompassionate(adjective, mean, feeling, hard, cool)
12
obdurate(adjective, mean, feeling, hard, cool)
11
tough(adjective, mean, hard, cool, severe)
10
barbarous(adjective, mean, severe, evil, nasty)
10
hardened(adjective, hard, cool, tough, severe)
10
unemotional(adjective, mean, feeling, hard, cool)
9
remorseless(adjective, mean, severe, harsh, violent)
9
apathetic(adjective, mean, hard, cool, tough)
9
coldhearted(adjective, person, mean, hard, severe)
9
uncharitable(adjective, person, mean, hard, cool)
8
stony-hearted(adjective, hard, cold, unfeeling)
8
dispassionate(adjective, cool, cold, indifferent)
8
severe(adjective, mean, hard, tough, harsh)
8
unconcerned(adjective, mean, hard, cool, unpleasant)
8
vicious(adjective, mean, bad, wrong, evil)
7
inhumane(adjective, mean, hard, severe, evil)
7
impassive(adjective, hard, cool, careless, indifferent)
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APASmart Define. (2016). heartless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, heartless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>.
MLASmart Define. "heartless thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms>