| noxiousness(noun, unhealthiness, venomousness, insalubrity, deadliness) | |
| contagiousness(noun, pollution, taint, contamination, unhealthiness) | |
| unhealthiness(noun, unhealthiness, insalubrity, noxiousness) | |
| contamination(noun, pollution, taint, unhealthiness, insalubrity) | |
| insalubrity(noun, unhealthiness, insalubrity, noxiousness) | |
| deadliness(noun, unhealthiness, venomousness, insalubrity, noxiousness) | |
| perniciousness | |
| poisonousness(noun, unhealthiness, venomousness, deadliness) | |
| malignancy(noun, unhealthiness, venomousness, deadliness) | |
| malignity(noun, venomousness, deadliness) | |
| poison(pollution, taint, contamination, insalubrity) | |
| virulence | |
| injuriousness(noun, venomousness, deadliness) | |
| venomousness(noun, deadliness) | |
| balefulness | |
| communicability(pollution, taint, contamination) | |
| contagion(pollution, taint, contamination, insalubrity) | |
| destructiveness | |
| disease(noun, pollution, taint, contamination, unhealthiness) | |
| harmfulness(noun, venomousness, deadliness) |
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| APA | Smart Define. (2015). toxicity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/toxicity/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toxicity thesaurus" https://smartdefine.org/toxicity/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, toxicity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/toxicity/thesaurus/synonyms>. |
| MLA | Smart Define. "toxicity thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/toxicity/thesaurus/synonyms> |