23
toxicity(noun, insalubrity, noxiousness)
22
insalubrity(noun, insalubrity, toxicity, noxiousness)
20
contamination(noun, disorder, illness, defect, sickness)
20
noxiousness(noun, insalubrity, toxicity)
19
contagiousness(noun, insalubrity, toxicity, noxiousness)
10
disease(noun, disorder, disease, weakness, fault)
8
ill health(noun, expression, idiom, disorder, weakness)
8
sickness(noun, disorder, disease, weakness, condition)
7
debility(noun, disorder, disease, weakness, fault)
7
infirmity(noun, disorder, disease, weakness, fault)
6
decrepitude(noun, disorder, disease, weakness, fault)
6
malaise(noun, disorder, disease, weakness, depression)
5
illness(noun, disorder, disease, weakness, condition)
5
malady(noun, disorder, disease, weakness, fault)
5
sickliness(noun, disorder, disease, weakness, fault)
4
ailment(noun, disorder, disease, weakness, fault)
4
condition(noun, disorder, disease, illness, sickness)
4
deadliness(noun, insalubrity, toxicity, noxiousness)
4
disorder(noun, disease, weakness, fault, illness)
4
health problem(noun, expression, idiom)
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APASmart Define. (2016). unhealthiness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unhealthiness/thesaurus/synonyms
ChicagoSmart Define. 2016. "unhealthiness thesaurus" https://smartdefine.org/unhealthiness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, unhealthiness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unhealthiness/thesaurus/synonyms>.
MLASmart Define. "unhealthiness thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/unhealthiness/thesaurus/synonyms>