67 entries under harmful topic. ×
| hazardous(adjective, severe, difficult, delicate, awful) | |
| risky(noun, adjective, adverb, open, severe) | |
| perilous(adjective, adverb, open, severe, difficult) | |
| chancy(noun, adjective, adverb, open, severe) | |
| treacherous(adjective, hard, severe, evil, rough) | |
| poisonous(adjective, bad, offensive, violent, wild) | |
| destructive(adjective, bad, deadly, fatal) | |
| bad(adjective, evil, offensive, violent, heavy) | |
| pernicious(adjective, bad, offensive, foul, disgusting) | |
| unhealthy(adjective, severe, delicate, awful, terrible) | |
| deadly(adjective, bad, heavy, foul) | |
| wicked(adjective, severe, harsh, delicate, unpleasant) | |
| injurious(adjective, bad, severe, offensive, awful) | |
| deleterious(adjective, bad, offensive, foul) | |
| noxious(adjective, bad, evil, offensive, cruel) | |
| damaging(adjective, bad, tough, evil, offensive) | |
| evil(adjective, bad, hard, rough, nasty) | |
| baneful(adjective, offensive, foul, disgusting) | |
| detrimental(adjective, bad, cruel, unkind, distressing) | |
| foul(adjective, bad, offensive, violent, wild) |
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| APA | Smart Define. (2016). dangerous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, dangerous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>. |
| MLA | Smart Define. "dangerous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms> |