84 entries under harmful topic. ×
| infective | |
| rotten(adjective, bad, nasty, violent, heavy) | |
| slanderous(distressing, damaging) | |
| toxiferous(adjective, insalubrity) | |
| miasmatic | |
| putrid(adjective, taste, awful, violent, terrible) | |
| unhygienic(adjective, dirty, unhealthy, polluted) | |
| unsanitary(adjective, dirty, unhealthy, polluted) | |
| wicked(adjective, mean, bad, evil, nasty) | |
| disadvantageous(cruel, unkind, distressing, upsetting) | |
| distressing(cruel, unkind, upsetting, damaging) | |
| fetid(adjective, bad, offensive, foul, disgusting) | |
| hazardous(adjective, dangerous, injurious, detrimental) | |
| perilous(adjective, dangerous, injurious, detrimental) | |
| prejudicial(bad, cruel, unkind, distressing, upsetting) | |
| risky(adjective, dangerous, injurious, damaging) | |
| spoiled(dirty, polluted, soiled, toxic) | |
| stinking(adjective, bad, offensive, foul, disgusting) | |
| treacherous(adjective, dangerous, injurious, detrimental) | |
| unhealthful(offensive, foul, disgusting, unhealthy) |
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| APA | Smart Define. (2015). poisonous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, poisonous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>. |
| MLA | Smart Define. "poisonous thesaurus" 19 August 2015. Web. 29 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms> |