43 entries under noun topic. ×

23
noxiousness(unhealthiness, venomousness, insalubrity, deadliness)
22
contagiousness(pollution, taint, contamination, unhealthiness)
22
unhealthiness(unhealthiness, insalubrity, noxiousness)
20
contamination(pollution, taint, unhealthiness, insalubrity)
20
insalubrity(unhealthiness, insalubrity, noxiousness)
8
deadliness(unhealthiness, venomousness, insalubrity, noxiousness)
8
perniciousness
7
poisonousness(unhealthiness, venomousness, deadliness)
6
malignancy(unhealthiness, venomousness, deadliness)
4
malignity(venomousness, deadliness)
4
virulence
3
injuriousness(venomousness, deadliness)
3
venomousness
2
balefulness
2
destructiveness
2
disease(pollution, taint, contamination, unhealthiness)
2
harmfulness(venomousness, deadliness)
2
infection(pollution, taint, contamination, unhealthiness)
2
intoxication
2
poisoning
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APASmart Define. (2015). toxicity thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/toxicity/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxicity thesaurus" https://smartdefine.org/toxicity/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, toxicity thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/toxicity/thesaurus/synonyms>.
MLASmart Define. "toxicity thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/toxicity/thesaurus/synonyms>