22 entries under bad topic. ×

35
deadly(adjective, evil, unhealthy, harmful)
20
venomous(adjective, help, evil, hateful)
19
baneful(adjective, offensive, foul, unhealthy)
19
deleterious(adjective, evil, offensive, foul)
18
lethal(adjective, evil, harmful, dangerous)
18
pernicious(adjective, evil, offensive, foul)
14
fatal(adjective, evil, harmful, dangerous)
12
detrimental(adjective, evil, offensive, foul)
11
injurious(adjective, harmful, dangerous, damaging)
10
baleful(adjective, evil, harmful, injurious)
7
hurtful(adjective, evil, harmful, injurious)
7
pestilential(adjective, evil, harmful, injurious)
6
damaging(adjective, harmful, dangerous, injurious)
6
mortal(adjective, evil, harmful, dangerous)
6
pestiferous(adjective, evil, harmful, injurious)
5
evil(adjective, nasty, offensive, foul)
5
noisome(adjective, evil, harmful, injurious)
4
ruinous(adjective, evil, harmful, injurious)
2
devastating(adjective, evil, wicked, harmful)
2
internecine(adjective, violent, harmful, injurious)
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APASmart Define. (2015). toxic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, toxic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>.
MLASmart Define. "toxic thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms>