387 entries under adjective topic. ×

16
stony(mean, hard, cool, tough)
15
unmerciful(mean, severe, harsh, cruel)
15
cold-hearted(person, feeling, hard, tough)
13
hard-boiled(mean, feeling, hard, attitude)
13
uncompassionate(mean, feeling, hard, cool)
12
obdurate(mean, feeling, hard, cool)
11
tough(mean, hard, cool, severe)
10
aloof(person, mean, hard, cool)
10
barbarous(mean, severe, evil, nasty)
10
hardened(hard, cool, tough, severe)
10
unemotional(mean, feeling, hard, cool)
9
remorseless(mean, severe, harsh, violent)
9
apathetic(mean, hard, cool, tough)
9
coldhearted(person, mean, hard, severe)
9
detached(person, hard, cool, indifferent)
9
frigid(person, mean, hard, cool)
9
sinful(bad, wrong, evil, nasty)
9
uncharitable(person, mean, hard, cool)
8
stony-hearted(hard, cold, cruel, unfeeling)
8
cool(mean, hard, unpleasant, cold)
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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>