105 entries under adjective topic. ×

1
fetid(bad, offensive, foul, disgusting)
1
internecine(violent, cruel, harmful, injurious)
1
lethiferous(harmful, injurious, damaging, deadly)
1
nauseating(bad, offensive, foul, disgusting)
1
plaguy
1
poison
1
putrid(bad, offensive, foul, disgusting)
1
rank(bad, offensive, foul, disgusting)
1
reeking(bad, offensive, foul, disgusting)
1
rotten(bad, foul, decayed, stinking)
1
ruinous(evil, wicked, harmful, injurious)
1
septic(virulent, insalubrity)
1
slaughterous(harmful, injurious, damaging, deadly)
1
smelly(bad, offensive, foul, disgusting)
1
stinking(bad, offensive, foul, disgusting)
1
suicidal(violent, cruel, harmful, injurious)
1
toxicant(poisonous, virulent)
1
vile(bad, offensive, foul, disgusting)
1
wrackful(harmful, injurious, damaging, deadly)
1
wreckful(harmful, injurious, damaging, deadly)
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APASmart Define. (2015). pestilential thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/pestilential/thesaurus/synonyms
ChicagoSmart Define. 2015. "pestilential thesaurus" https://smartdefine.org/pestilential/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, pestilential thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/pestilential/thesaurus/synonyms>.
MLASmart Define. "pestilential thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/pestilential/thesaurus/synonyms>