14
unfriendly(adjective, person, mean, bad, hard)
14
virulent(adjective, mean, bad, evil, nasty)
13
bad(adjective, mean, wrong, evil, harsh)
12
hostile(adjective, person, mean, bad, hard)
12
pernicious(adjective, mean, bad, evil, nasty)
12
poisonous(adjective, mean, bad, evil, nasty)
12
rancorous(adjective, mean, nasty, violent, wild)
11
baleful(adjective, mean, bad, evil, nasty)
11
ill-natured(adjective, person, mean, evil, nasty)
10
foul(adjective, mean, bad, wrong, evil)
10
catty(adjective, mean, nasty, unpleasant, dirty)
10
hurtful(adjective, mean, bad, nasty, cruel)
9
acrimonious(adjective, mean, bad, wrong, evil)
9
cutting(adjective, mean, nasty, cruel, hateful)
9
infernal(adjective, evil, harsh, violent, cruel)
8
harmful(adjective, bad, cruel, corrupt, injurious)
8
caustic(adjective, malevolence)
8
deleterious(adjective, mean, bad, wrong, evil)
8
despiteful(adjective, mean, nasty, attitude, offensive)
8
evil-minded(adjective, person, mean, evil, nasty)
10 years ago|25k views|share |citing 
APASmart Define. (2016). malicious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/malicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "malicious thesaurus" https://smartdefine.org/malicious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, malicious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/malicious/thesaurus/synonyms>.
MLASmart Define. "malicious thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/malicious/thesaurus/synonyms>