160 entries under adjective topic. ×

1
detestable(nasty, offensive, terrible, disgusting)
1
devastating(bad, evil, wicked, harmful)
1
dire(bad, painful, harmful, injurious)
1
disastrous(harmful, injurious, damaging, deadly)
1
disgusting(bad, nasty, offensive, terrible)
1
distressing
1
eradicative(harmful, injurious, damaging, deadly)
1
evil(bad, nasty, terrible, disgusting)
1
execrable(nasty, terrible, disgusting, vicious)
1
extirpative(harmful, injurious, damaging, deadly)
1
fatal(bad, evil, harmful, injurious)
1
fell(harmful, injurious, damaging, deadly)
1
gross(nasty, offensive, terrible, disgusting)
1
horrible(offensive, terrible, foul, disgusting)
1
horrid(bad, nasty, offensive, terrible)
1
insufferable(nasty, offensive, unpleasant, terrible)
1
internecine(bad, violent, harmful, injurious)
1
invidious(nasty, offensive, terrible, disgusting)
1
lethiferous(harmful, injurious, damaging, deadly)
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malefic(injurious, damaging, destructive)
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APASmart Define. (2015). pestiferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pestiferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "pestiferous thesaurus" https://smartdefine.org/pestiferous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, pestiferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pestiferous/thesaurus/synonyms>.
MLASmart Define. "pestiferous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/pestiferous/thesaurus/synonyms>