3
heinous(adjective, wicked)
3
hellish(adjective, evil, nasty, harsh, violent)
3
hideous
3
horrible(adjective, mean, vicious, spiteful)
3
immoral(adjective, wicked)
3
loathsome(adjective, bad, corrupt, vile, wicked)
3
naughty(adjective, wicked)
3
nefarious(adjective, wicked)
3
negative(adjective, arouse bad feelings, negative emotions)
3
odious
3
ornery(adjective, mean, nasty, unpleasant, violent)
3
perverse(adjective, upset, mean, nasty, unpleasant)
3
perverted
3
pitiless(adjective, animal, mean, nasty, harsh)
3
quarrelsome(adjective, nasty, cold, hostile, aloof)
3
repulsive(adjective, hateful)
3
resentful(adjective, mean, nasty, hostile, hateful)
3
ruthless(adjective, animal, mean, nasty, harsh)
3
sadistic(adjective, mean, evil, nasty, harsh)
3
satanic
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APASmart Define. (2016). malicious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/malicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "malicious thesaurus" https://smartdefine.org/malicious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, malicious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/malicious/thesaurus/synonyms>.
MLASmart Define. "malicious thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/malicious/thesaurus/synonyms>