299 entries under adjective topic. ×

6
mischievous(mean, bad, evil, nasty)
6
nocuous(cruel, unkind, distressing, harmful)
6
ruinous(bad, distressing, harmful, injurious)
6
vile(taste, awful, violent, terrible)
5
bitter(mean, bad, nasty, hateful)
5
corrupt(offensive, foul, unhealthy, harmful)
5
hateful(mean, taste, nasty, attitude)
5
hostile(awful, dirty, gloom, badly)
5
icky(bad, nasty, offensive, awful)
5
insalubrious(offensive, foul, disgusting, unhealthy)
5
killing(deadly, inexpedience)
5
morbid(taste, awful, terrible, harmful)
5
pestiferous(bad, offensive, foul, disgusting)
5
sarcastic
4
acerbic
4
corruptive
4
infective
4
miasmic
4
nauseating(bad, taste, offensive, awful)
4
obnoxious(bad, taste, nasty, offensive)
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APASmart Define. (2015). poisonous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms
ChicagoSmart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, poisonous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>.
MLASmart Define. "poisonous thesaurus" 19 August 2015. Web. 29 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms>