72 entries under tough topic. ×

7
hard-hearted(adjective, mean, hard, severe)
7
uncaring(adjective, mean, hard, cool)
5
implacable(adjective, animal, mean, hard)
5
severe(adjective, hard, cold, cruel)
5
unrelenting(adjective, animal, mean, hard)
4
anesthetized(adjective, hard, severe, cold)
4
inexorable(adjective, mean, hard, harsh)
4
numb(adjective, hard, severe, cold)
4
savage(adjective, animal, mean, hard)
3
icy(adjective, mean, hard, cool)
3
unyielding(adjective, mean, hard, harsh)
2
barbarous(adjective, animal, mean, hard)
2
fierce(adjective, animal, mean, hard)
2
grim(adjective, animal, mean, hard)
2
thick-skinned(adjective, mean, hard, severe)
2
unamiable(adjective, hard, severe, cold)
2
uncordial(adjective, hard, severe, cold)
2
vindictive(adjective, hard, evil, harsh)
1
asleep(adjective, hard, severe, cold)
1
benumbed(adjective, hard, severe, cold)
10 years ago|6.5k views|share |citing 
APASmart Define. (2016). uncompassionate thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/uncompassionate/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncompassionate thesaurus" https://smartdefine.org/uncompassionate/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, uncompassionate thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/uncompassionate/thesaurus/synonyms>.
MLASmart Define. "uncompassionate thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/uncompassionate/thesaurus/synonyms>