1
evil(adjective, nasty, violent, wild, vicious)
1
exacting
1
excruciating
1
fiendlike
1
forbidding(adjective, hard, tough, harsh, cruel)
1
formidable
1
frightful(adjective, violent, wild, cruel, vicious)
1
furious(adjective, strong, severe, harsh, intense)
1
hard-bitten(adjective, hard, tough, harsh, cruel)
1
hard-hearted(adjective, hard, tough, harsh, cruel)
1
homicide
1
impenitent(adjective, hard, tough, harsh, cruel)
1
inexorable(adjective, hard, tough, harsh, cruel)
1
injurious(adjective, bad, offensive, violent, cruel)
1
insensitive(adjective, hard, tough, harsh, cruel)
1
intolerant(adjective, hard, tough, harsh, cruel)
1
kill-crazy
1
laborious
1
lousy(adjective, bad, nasty, offensive, violent)
1
lupine(adjective, violent, cruel, vicious, fierce)
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APASmart Define. (2015). murderous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/murderous/thesaurus/synonyms
ChicagoSmart Define. 2015. "murderous thesaurus" https://smartdefine.org/murderous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, murderous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/murderous/thesaurus/synonyms>.
MLASmart Define. "murderous thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/murderous/thesaurus/synonyms>