125 entries under mean topic. ×

16
stony(adjective, hard, cool, tough)
15
unmerciful(adjective, severe, harsh, cruel)
13
hard-boiled(adjective, feeling, hard, attitude)
13
uncompassionate(adjective, feeling, hard, cool)
12
obdurate(adjective, feeling, hard, cool)
11
tough(adjective, hard, cool, severe)
10
aloof(adjective, person, hard, cool)
10
barbarous(adjective, severe, evil, nasty)
10
unemotional(adjective, feeling, hard, cool)
9
remorseless(adjective, severe, harsh, violent)
9
apathetic(adjective, hard, cool, tough)
9
coldhearted(adjective, person, hard, severe)
9
frigid(adjective, person, hard, cool)
9
uncharitable(adjective, person, hard, cool)
8
cool(adjective, hard, unpleasant, cold)
8
severe(adjective, hard, tough, harsh)
8
unconcerned(adjective, hard, cool, unpleasant)
8
vicious(adjective, bad, wrong, evil)
7
inhumane(adjective, hard, severe, evil)
7
unpitying(adjective, hard, cool, severe)
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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>