9
foul(adjective, mean, bad, wrong, evil)
9
grim(adjective, person, mean, harsh, violent)
9
infernal(adjective, harsh, violent, cruel, vicious)
9
iniquitous(adjective, bad, corrupt, wicked, immoral)
8
atrocious(adjective, person, bad, evil, nasty)
8
base(adjective, mean, bad, evil, unpleasant)
8
bitchy(adjective, slang, attitude, spiteful)
8
brutal(adjective, person, mean, strong, severe)
8
despiteful(adjective, mean, nasty, attitude, offensive)
8
diabolic
8
hard(adjective, person, mean, evil, nasty)
8
hardhearted(adjective, person, cruel, brutal, pitiless)
8
ominous(adjective, person, mean, bad, wrong)
8
outrageous(adjective, bad, shocking, shameful, disgraceful)
8
stern(adjective, person, mean, severe, harsh)
8
wanton(adjective, cruel, behavior, shocking, shameful)
7
acrimonious(adjective, bitter, angry, malicious, offended)
7
aloof(adjective, person, evil, unwarmhearted)
7
cat-hearted(adjective, person, behavior, unwarmhearted, aroused negative)
7
cold-blooded(adjective, person, mean, evil, nasty)
10 years ago|23k views|share |citing 
APASmart Define. (2016). malevolent thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/malevolent/thesaurus/synonyms
ChicagoSmart Define. 2016. "malevolent thesaurus" https://smartdefine.org/malevolent/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, malevolent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/malevolent/thesaurus/synonyms>.
MLASmart Define. "malevolent thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/malevolent/thesaurus/synonyms>