42 entries under adjective topic. ×

2
barbarous(mean, severe, harsh, cruel)
2
fierce(mean, severe, harsh, cruel)
2
hardhearted(mean, severe, harsh, cruel)
2
heartless(mean, severe, harsh, cruel)
2
inexorable(mean, severe, harsh, cruel)
2
inhumane(mean, severe, harsh, cruel)
2
iron-fisted(mean, severe, harsh, cruel)
2
unfeeling(mean, severe, harsh, cruel)
1
callous(mean, severe, harsh, cruel)
1
cold-blooded(cruel, pitiless, heartless, hardhearted)
1
cutthroat(mean, severe, harsh, cruel)
1
dog-eat-dog(mean, severe, harsh, cruel)
1
gratuitous(mean, severe, harsh, cruel)
1
grim(mean, severe, harsh, cruel)
1
hard(mean, severe, harsh, cruel)
1
harsh(mean, severe, cruel, pitiless)
1
hatchet job(expression, mean, severe, harsh)
1
implacable(mean, severe, harsh, cruel)
1
mean(severe, harsh, cruel, pitiless)
1
mean machine(expression, mean, severe, harsh)
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APASmart Define. (2011). having a killer instinct thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms
ChicagoSmart Define. 2011. "having a killer instinct thesaurus" https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2011, having a killer instinct thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms>.
MLASmart Define. "having a killer instinct thesaurus" 23 May 2011. Web. 25 September 2026. <https://smartdefine.org/having_a_killer_instinct/thesaurus/synonyms>