150 entries under hard topic. ×

25
merciless(adjective, person, mean, tough)
22
unfeeling(adjective, animal, calm, dull, mean)
20
unsympathetic(adjective, animal, mean, cool)
18
callous(adjective, person, mean, cool)
17
ruthless(adjective, animal, mean, tough)
15
cruel(adjective, mean, cool, tough)
15
heartless(adjective, mean, feeling, cool)
15
pitiless(adjective, animal, mean, tough)
15
stony(adjective, person, mean, cool)
13
hardhearted(adjective, careless, cold, indifferent)
13
insensitive(adjective, mean, cool, tough)
13
unemotional(adjective, calm, dull, mean)
13
unmerciful(adjective, mean, tough, harsh)
12
cold-blooded(adjective, person, mean, cool)
12
hard-boiled(adjective, person, mean, careless)
12
unpitying(adjective, mean, cool, unpleasant)
11
hardened(adjective, person, tough, severe)
11
indifferent(adjective, calm, dull, mean)
11
unkind(adjective, animal, mean, cool)
10
apathetic(adjective, calm, person, dull, mean)
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APASmart Define. (2016). uncompassionate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/uncompassionate/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncompassionate thesaurus" https://smartdefine.org/uncompassionate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, uncompassionate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/uncompassionate/thesaurus/synonyms>.
MLASmart Define. "uncompassionate thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/uncompassionate/thesaurus/synonyms>