137 entries under harsh topic. ×

2
evil(adjective, hard, rough, nasty)
2
feral(adjective, mean, hard, cruel)
2
ferocious(adjective, mean, hard, evil, rough)
2
hateful(adjective, mean, evil, nasty)
2
having a killer instinct(expression, adjective, idiom, mean, severe)
2
inexorable(adjective, mean, hard, severe, evil)
2
malevolent(adjective, mean, evil, nasty)
2
obstinate(adjective, mean, hard, tough, severe)
2
rancorous(adjective, mean, tough, evil, nasty)
2
rugged(adjective, set, strong, hard, tough)
2
shameless(adjective, hard, tough, evil, rough)
2
uncompromising(adjective, mean, hard, severe, rough)
2
unnatural(adjective, evil, nasty, vicious)
2
violent(adjective, hard, severe, rough, nasty)
1
austere(adjective, mean, hard, tough)
1
bitter(adjective, hard, tough, evil, nasty)
1
cutthroat(adjective, mean, hard, severe)
1
dangerous(adjective, hard, evil, rough, nasty)
1
disagreeable(adjective, mean, hard, tough, evil)
1
dog-eat-dog(adjective, mean, hard, severe)
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APASmart Define. (2016). callous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>