Synonyms|77Antonyms|3|Broader|5Narrower|1Related|12
23
noxiousness(noun, unhealthiness, venomousness, insalubrity, deadliness)
22
contagiousness(noun, pollution, taint, contamination, unhealthiness)
22
unhealthiness(noun, unhealthiness, insalubrity, noxiousness)
20
contamination(noun, pollution, taint, unhealthiness, insalubrity)
20
insalubrity(noun, unhealthiness, insalubrity, noxiousness)
8
deadliness(noun, unhealthiness, venomousness, insalubrity, noxiousness)
8
perniciousness
7
poisonousness(noun, unhealthiness, venomousness, deadliness)
6
malignancy(noun, unhealthiness, venomousness, deadliness)
4
malignity(noun, venomousness, deadliness)
4
poison(pollution, taint, contamination, insalubrity)
4
virulence
3
injuriousness(noun, venomousness, deadliness)
3
venomousness(noun, deadliness)
2
balefulness
2
communicability(pollution, taint, contamination)
2
contagion(pollution, taint, contamination, insalubrity)
2
destructiveness
2
disease(noun, pollution, taint, contamination, unhealthiness)
2
harmfulness(noun, venomousness, deadliness)
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APASmart Define. (2015). toxicity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/toxicity/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxicity thesaurus" https://smartdefine.org/toxicity/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, toxicity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/toxicity/thesaurus/synonyms>.
MLASmart Define. "toxicity thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/toxicity/thesaurus/synonyms>