23
noxious(adjective, help, bad, evil, harm)
22
baleful(adjective, evil, negative, harmful, injurious)
20
destructive(adjective, evil, harm, harmful, injurious)
20
harmful(adjective, bad, evil, harm, negative)
19
pernicious(adjective, help, bad, evil, harm)
19
deleterious(adjective, bad, evil, harm, offensive)
17
deadly(adjective, help, bad, evil, distressing)
17
hurtful(adjective, bad, evil, harm, negative)
17
pestilent(adjective, help, harm, dead, harmful)
17
poisonous(adjective, hurt, offensive, foul, disgusting)
16
detrimental(adjective, bad, evil, offensive, negative)
16
fatal(adjective, bad, evil, harm, harmful)
16
injurious(adjective, bad, harm, negative, wicked)
16
venomous(adjective, bad, harm, hateful, harmful)
15
evil(adjective, bad, evil, offensive, negative)
15
suicidal(adjective, evil, harmful, dangerous, injurious)
12
malignant(adjective, help, offensive, foul, harmful)
11
sinister(adjective, hurt, evil, harm, nasty)
11
bad(adjective, bad, evil, offensive, negative)
11
mischievous(adjective, hurt, harm, offensive, foul)
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APASmart Define. (2015). baneful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/baneful/thesaurus/synonyms
ChicagoSmart Define. 2015. "baneful thesaurus" https://smartdefine.org/baneful/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, baneful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/baneful/thesaurus/synonyms>.
MLASmart Define. "baneful thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/baneful/thesaurus/synonyms>