255 entries under adjective topic. ×

9
slaughterous(help, grim, grave, killing)
8
barbaric(violent, cruel, vicious, fierce)
8
gory(horrible, killing, bloody)
8
merciless(hard, tough, harsh, violent)
8
mortal
7
cutthroat(help, strong, violent, grim)
7
killing(difficult, killing)
6
arduous(difficult, fatal, mortal, lethal)
6
bestial
6
fatal
6
harsh(hard, tough, violent, cruel)
6
hellish(bad, nasty, difficult, harsh)
6
remorseless(hard, harsh, violent, cruel)
6
sadistic(harsh, violent, wild, cruel)
6
strenuous
5
wild(strong, severe, intense, violent)
5
grim(hard, tough, harsh, violent)
5
harrowing
5
implacable(hard, tough, harsh, violent)
5
noisome(bad, offensive, foul, revolting)
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APASmart Define. (2015). murderous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/murderous/thesaurus/synonyms
ChicagoSmart Define. 2015. "murderous thesaurus" https://smartdefine.org/murderous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, murderous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/murderous/thesaurus/synonyms>.
MLASmart Define. "murderous thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/murderous/thesaurus/synonyms>