45 entries under vicious topic. ×

30
detrimental(adjective, help, mean, bad, wrong)
18
baleful(adjective, mean, evil, nasty, negative)
17
baneful(adjective, evil, offensive, negative, foul)
14
poisonous(adjective, mean, bad, evil, nasty)
13
evil(adjective, help, mean, bad, wrong)
13
mischievous(adjective, help, mean, bad, nasty)
8
malign(adjective, mean, bad, evil, nasty)
6
corrupt(adjective, evil, low, foul)
6
venomous(adjective, mean, bad, evil, nasty)
2
debased
2
spiteful(adjective, mean, evil, nasty, rude)
2
wicked(adjective, mean, bad, wrong, evil)
1
awful(adjective, mean, nasty, offensive, foul)
1
low(adjective, mean, evil, nasty, corrupt)
1
perverse(evil, low, corrupt, threatening)
0
abandoned(evil, low, corrupt, debased)
0
abased(evil, low, corrupt, debased)
0
bad-natured(adjective, mean, nasty, wicked)
0
beastly(adjective, mean, nasty, wicked)
0
boorish(evil, low, corrupt, debased)
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APASmart Define. (2016). deleterious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/deleterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "deleterious thesaurus" https://smartdefine.org/deleterious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, deleterious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/deleterious/thesaurus/synonyms>.
MLASmart Define. "deleterious thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/deleterious/thesaurus/synonyms>