60 entries under harsh topic. ×

4
truculent(adjective, strong, severe, intense)
3
demoniac(adjective, violent, cruel, vicious)
3
hard(adjective, tough, cruel, grim)
3
inhumane(adjective, hard, tough, violent)
3
rigorous(adjective, hard, tough, cruel)
2
ferine(adjective, violent, cruel, vicious)
2
infernal(adjective, violent, cruel, vicious)
2
raging(adjective, strong, severe, intense)
2
rapacious(adjective, violent, cruel, vicious)
2
unforgiving(adjective, hard, tough, cruel)
2
unmerciful(adjective, hard, tough, violent)
2
wolfish(adjective, violent, cruel, vicious)
1
avaricious(adjective, hard, tough, cruel)
1
forbidding(adjective, hard, tough, cruel)
1
furious(adjective, strong, severe, intense)
1
hard-bitten(adjective, hard, tough, cruel)
1
hard-hearted(adjective, hard, tough, cruel)
1
impenitent(adjective, hard, tough, cruel)
1
inexorable(adjective, hard, tough, cruel)
1
insensitive(adjective, hard, tough, cruel)
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APASmart Define. (2015). murderous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/murderous/thesaurus/synonyms
ChicagoSmart Define. 2015. "murderous thesaurus" https://smartdefine.org/murderous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, murderous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/murderous/thesaurus/synonyms>.
MLASmart Define. "murderous thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/murderous/thesaurus/synonyms>