6
murderous(adjective, harsh, violent, wild, cruel)
6
severe(adjective, person, mean, harsh, cruel)
5
brute(noun, adjective, adverb, low, base)
5
fell
5
harsh(adjective, mean, evil, nasty, violent)
5
heartless(adjective, mean, evil, nasty, harsh)
5
merciless(adjective, mean, evil, nasty, harsh)
5
remorseless(adjective, mean, harsh, violent, cruel)
5
sick(adjective, gross, morbid)
5
unfeeling(adjective, person, mean, evil, nasty)
5
unkind(adjective, mean, evil, nasty, harsh)
4
bad(adjective, mean, violent, wild, fierce)
4
feral(adjective, adverb, mean, low, harsh)
4
hellish(adjective, evil, nasty, harsh, violent)
4
truculent(adjective, harsh, rude, violent, cruel)
4
uncharitable(adjective, person, mean, nasty, ill)
4
unforgiving(adjective, person, mean, harsh, cruel)
4
unsympathetic(adjective, person, mean, harsh, cruel)
3
bloody(adjective, harsh, violent, cruel, vicious)
3
callous(adjective, mean, evil, nasty, harsh)
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APASmart Define. (2016). sadistic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sadistic/thesaurus/synonyms
ChicagoSmart Define. 2016. "sadistic thesaurus" https://smartdefine.org/sadistic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sadistic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sadistic/thesaurus/synonyms>.
MLASmart Define. "sadistic thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sadistic/thesaurus/synonyms>