74 entries under tough topic. ×

3
senseless(adjective, bad, hard, severe)
2
cold-hearted(adjective, hard, severe, cold)
2
exacting(adjective, hard, severe, cold)
2
thick-skinned(adjective, hard, severe, cruel)
2
unyielding(adjective, mean, hard, harsh)
1
anesthetized(adjective, hard, severe, cold)
1
asleep(adjective, hard, severe, cold)
1
avaricious(adjective, hard, harsh, cruel)
1
benumbed(adjective, hard, severe, cold)
1
cantankerous(adjective, hard, severe, cold)
1
churlish(adjective, hard, severe, cold)
1
cold fish(expression, adjective, hard, severe)
1
crotchety(adjective, hard, severe, cold)
1
deadened(adjective, hard, severe, cold)
1
feelingless(adjective, hard, severe, cold)
1
forbidding(adjective, hard, harsh, cruel)
1
hardened(adjective, hard, severe, harsh)
1
impenitent(adjective, hard, harsh, cruel)
1
inanimate(adjective, hard, severe, cold)
1
intolerant(adjective, hard, harsh, cold)
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APASmart Define. (2016). inhuman thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inhuman/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhuman thesaurus" https://smartdefine.org/inhuman/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inhuman thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inhuman/thesaurus/synonyms>.
MLASmart Define. "inhuman thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inhuman/thesaurus/synonyms>