141 entries under hard topic. ×

13
hard-boiled(adjective, mean, feeling, attitude)
13
uncompassionate(adjective, mean, feeling, cool)
12
obdurate(adjective, mean, feeling, cool)
11
tough(adjective, mean, cool, severe)
10
aloof(adjective, person, mean, cool)
10
hardened(adjective, cool, tough, severe)
10
unemotional(adjective, mean, feeling, cool)
9
apathetic(adjective, mean, cool, tough)
9
coldhearted(adjective, person, mean, severe)
9
detached(adjective, person, cool, indifferent)
9
frigid(adjective, person, mean, cool)
9
uncharitable(adjective, person, mean, cool)
8
stony-hearted(adjective, cold, cruel, unfeeling)
8
cool(adjective, mean, unpleasant, cold)
8
severe(adjective, mean, tough, harsh)
8
unconcerned(adjective, mean, cool, unpleasant)
7
inhumane(adjective, mean, severe, evil)
7
impassive(adjective, cool, careless, indifferent)
7
mean(verb, adjective, bad, cool)
7
numb(adjective, tough, severe, cruel)
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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>