98 entries under bad topic. ×

34
harmful(adjective, mean, wrong, evil)
30
foul(adjective, mean, wrong, evil)
29
pernicious(adjective, help, mean, nasty)
25
offensive(adjective, evil, nasty, base)
24
deleterious(adjective, mean, wrong, evil)
24
baneful(adjective, help, negative, distressing)
24
noisome(adjective, evil, offensive, rank)
23
poisonous(adjective, mean, nasty, offensive)
23
destructive(adjective, evil, cruel, negative)
23
injurious(adjective, mean, wrong, evil)
20
disgusting(adjective, evil, nasty, offensive)
20
deadly(adjective, help, cruel, unkind)
20
detrimental(adjective, mean, wrong, evil)
19
nasty(adjective, mean, evil, offensive)
18
vile(adjective, mean, wrong, evil)
17
repulsive(adjective, evil, offensive, base)
17
sickening(adjective, evil, offensive, base)
16
loathsome(adjective, evil, offensive, base)
16
obnoxious(adjective, nasty, offensive, unpleasant)
15
dangerous(adjective, evil, offensive, cruel)
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APASmart Define. (2015). noxious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms
ChicagoSmart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, noxious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>.
MLASmart Define. "noxious thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms>