67 entries under harmful topic. ×

7
hurtful(adjective, bad, offensive, cruel, foul)
7
venomous(adjective, bad, strong, severe, evil)
6
adverse(adjective, distressing, injurious, damaging)
6
jeopardous(adjective, bad, delicate, uncertain, sensitive)
6
toxic(adjective, injurious, damaging, fatal)
6
unsound(adjective, severe, delicate, awful, terrible)
5
virulent(adjective, wicked, rotten, fatal)
4
nocuous(adjective, cruel, unkind, distressing)
4
unwholesome(adjective, offensive, foul, disgusting, rotten)
3
disadvantageous(adjective, cruel, unkind, distressing)
3
noisome(adjective, bad, evil, offensive, unpleasant)
3
prejudicial(bad, cruel, unkind, distressing, upsetting)
3
ruinous(bad, distressing, injurious, deadly)
3
unhealthful(adjective, offensive, foul, disgusting)
2
corrupt(injurious, detrimental, noxious, toxic)
2
iniquitous(adjective, bad, wicked, distressing)
2
nefarious(adjective, bad, wicked, injurious)
2
perverse(adjective, wicked, injurious, detrimental)
2
slanderous(distressing, damaging)
2
villainous(adjective, wicked, injurious, detrimental)
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APASmart Define. (2016). dangerous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms
ChicagoSmart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, dangerous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>.
MLASmart Define. "dangerous thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms>