1
arthritic
1
beastly(adjective, mean, bad, nasty, corrupt)
1
bellicose(adjective, mean, nasty, unfriendly, hateful)
1
bilious
1
bizarre
1
black
1
bleak
1
bloodcurdling
1
bloody
1
boding evil
1
brutish
1
cacodemonic
1
calamitous(corrupt, immoral, sinful, injurious, damaging)
1
cannibalistic(adjective, animal, mean, violent, cruel)
1
catching
1
censorious(adjective, nasty, cold, hostile, aloof)
1
chill(adjective, mean, nasty, unfriendly, hateful)
1
chilling
1
chlorotic
1
clashing
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APASmart Define. (2016). malignant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/malignant/thesaurus/synonyms
ChicagoSmart Define. 2016. "malignant thesaurus" https://smartdefine.org/malignant/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, malignant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/malignant/thesaurus/synonyms>.
MLASmart Define. "malignant thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/malignant/thesaurus/synonyms>