135 entries under noun topic. ×

27
assassin(bad, heavy, bully, butcher)
25
murderer(person, help, bad, heavy)
18
slayer(person, help, soldier, guerrilla)
18
perpetrator(soldier, assassin)
14
executioner(soldier, guerrilla, murderer, assassin)
14
slaughterer(person, help, soldier, murderer)
13
hit man(expression, idiom, killer, murderer)
10
butcher(person, help, soldier, guerrilla)
10
exterminator
9
cutthroat(adjective, person, help, mean)
8
hunter(animal, creature, fauna, being)
8
predator(animal, creature, fauna, being)
7
gunman
7
rough
6
grampus
6
thug(butcher, hoodlum)
6
manslayer(person, help, murderer)
6
murderess(person, help, murderer)
6
dispatcher(murderer, slayer)
4
cause of death(expression, idiom)
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APASmart Define. (2016). killer thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/killer/thesaurus/synonyms
ChicagoSmart Define. 2016. "killer thesaurus" https://smartdefine.org/killer/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, killer thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/killer/thesaurus/synonyms>.
MLASmart Define. "killer thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/killer/thesaurus/synonyms>