41 entries under bad topic. ×

2
lethal(adjective, evil, harmful, injurious)
2
malign(adjective, evil, nasty, terrible)
2
mortal(adjective, evil, harmful, injurious)
2
vicious(adjective, evil, nasty, terrible)
1
consumptive(adjective, painful, harmful, injurious)
1
dangerous(offensive, foul, disgusting, fatal)
1
devastating(adjective, evil, wicked, harmful)
1
dire(adjective, painful, harmful, injurious)
1
disgusting(adjective, nasty, offensive, terrible)
1
evil(adjective, nasty, terrible, disgusting)
1
fatal(adjective, evil, harmful, injurious)
1
horrid(adjective, nasty, offensive, terrible)
1
internecine(adjective, violent, harmful, injurious)
1
malevolent(adjective, evil, nasty, terrible)
1
malicious(injurious, damaging, deadly, destructive)
1
nauseating(adjective, nasty, offensive, foul)
1
offensive(adjective, evil, nasty, terrible)
1
repulsive(adjective, nasty, offensive, terrible)
1
ruinous(adjective, evil, harmful, injurious)
1
vile(adjective, nasty, offensive, terrible)
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APASmart Define. (2015). pestiferous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/pestiferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "pestiferous thesaurus" https://smartdefine.org/pestiferous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, pestiferous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/pestiferous/thesaurus/synonyms>.
MLASmart Define. "pestiferous thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/pestiferous/thesaurus/synonyms>