1
murderer
1
murderous(adjective, nasty, violent, vicious, wicked)
1
nauseous
1
nocent(distressing, harmful, injurious, damaging)
1
odious
1
outrageous
1
painful(adjective, evil, nasty, harsh, vicious)
1
poignant(adjective, evil, nasty, harsh, vicious)
1
poison(adjective, bad, evil, nasty, vicious)
1
polluted
1
poorly
1
rancorous(adjective, mean, bad, evil, nasty)
1
repellent
1
revengeful(adjective, evil, nasty, harsh, vicious)
1
revolting
1
ruthless(adjective, evil, nasty, harsh, vicious)
1
sadistic(adjective, evil, nasty, harsh, vicious)
1
savage
1
scatheful
1
severe(adjective, negative emotions)
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APASmart Define. (2016). pernicious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, pernicious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>.
MLASmart Define. "pernicious thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms>