54 entries under harmful topic. ×
| extirpative(adjective, injurious, damaging, deadly) | |
| insalubrious(adjective, unwholesome, poisonous, toxic) | |
| lethiferous(adjective, killing, injurious, damaging) | |
| slaughterous(adjective, grim, injurious, damaging) | |
| wrackful(adjective, injurious, damaging, deadly) | |
| wreckful(adjective, injurious, damaging, deadly) | |
| fetid(poisonous, toxic) | |
| foul(poisonous, toxic) | |
| insalutary(poisonous, toxic) | |
| putrid(poisonous, toxic) | |
| sickly(poisonous, toxic) | |
| spoiled(rotten, poisonous, toxic) | |
| stinking(poisonous, toxic) | |
| unhealthful(poisonous, toxic) |
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| APA | Smart Define. (2015). lethal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lethal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lethal thesaurus" https://smartdefine.org/lethal/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, lethal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lethal/thesaurus/synonyms>. |
| MLA | Smart Define. "lethal thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/lethal/thesaurus/synonyms> |