71 entries under harmful topic. ×

5
dangerous(adjective, bad, evil, offensive, unpleasant)
5
evil(adjective, bad, blue, offensive, unpleasant)
5
sickly(adjective, bad, offensive, foul, disgusting)
4
damaging(adjective, bad, offensive, foul, revolting)
4
insanitary(injurious, detrimental)
4
toxic(adjective, bad, evil, injurious)
4
venomous(adjective, bad, evil, injurious)
3
corrupt(adjective, bad, evil, foul, disgusting)
3
pestilential(adjective, bad, evil, offensive, foul)
3
spoiled(adjective, hard, corrupt, disgusting, old)
3
virulent(unhealthy, injurious, noxious, poisonous)
2
corrupting(injurious, detrimental, poisonous, toxic)
2
degenerate(injurious, detrimental)
2
dire(adjective, terrible, wicked, injurious)
2
lethal(adjective, bad, evil, injurious)
2
nefarious(adjective, bad, evil, offensive, unpleasant)
2
pestilent(poisonous, toxic, insalubrity)
2
ruinous(adjective, bad, evil, injurious)
2
suicidal(adjective, injurious, damaging, deadly)
1
annihilative(adjective, injurious, damaging, deadly)
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APASmart Define. (2015). noisome thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/noisome/thesaurus/synonyms
ChicagoSmart Define. 2015. "noisome thesaurus" https://smartdefine.org/noisome/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, noisome thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/noisome/thesaurus/synonyms>.
MLASmart Define. "noisome thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/noisome/thesaurus/synonyms>