2
ruffian
2
ruthless(adjective, mean, cruel, brutal, pitiless)
2
sai
2
savage(noun, adjective, mean, harsh, cruel)
2
severe(adjective, mean, harsh, cruel, vicious)
2
spitfire
2
terrorist
2
trigger man(noun, expression, murderer, assassin)
2
winner(noun, bad)
2
wolf
1
rapist(noun, person, violation, madness)
1
competitive(adjective, oppose, informal)
1
fatal
1
goon
1
mugger
1
soldier(noun, guerrilla, murderer, assassin, slayer)
1
triggerman(noun, person, help, murderer)
1
Orcinus orca
1
antagonistic(adjective, spirited, aggressive, ambitious, competing)
1
assassination
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APASmart Define. (2016). killer thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/killer/thesaurus/synonyms
ChicagoSmart Define. 2016. "killer thesaurus" https://smartdefine.org/killer/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, killer thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/killer/thesaurus/synonyms>.
MLASmart Define. "killer thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/killer/thesaurus/synonyms>