1
homicidal maniac
1
horrible(adjective, strong, severe, intense, violent)
1
howling(adjective, strong, severe, intense, violent)
1
hurtful(adjective, harmful, injurious, damaging, deadly)
1
immoderate
1
impetuous(adjective, strong, severe, intense, violent)
1
implacable(adjective, mean, hard, severe, harsh)
1
in competition
1
inexorable(adjective, mean, hard, severe, harsh)
1
inflationary
1
infuriated(adjective, strong, severe, intense, violent)
1
injurious(adjective, harmful, damaging, deadly, fatal)
1
inordinate
1
intense(adjective, strong, severe, violent, terrible)
1
internecine(adjective, harmful, injurious, damaging, deadly)
1
iron-fisted(adjective, mean, severe, harsh, cruel)
1
ironfisted(adjective, mean, severe, harsh, cruel)
1
killer instinct(expression, adjective, mean, hard, harsh)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
mad dog
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APASmart Define. (2015). cutthroat thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cutthroat/thesaurus/synonyms
ChicagoSmart Define. 2015. "cutthroat thesaurus" https://smartdefine.org/cutthroat/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, cutthroat thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cutthroat/thesaurus/synonyms>.
MLASmart Define. "cutthroat thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/cutthroat/thesaurus/synonyms>