18 entries under unhealthy topic. ×

43
infectious(adjective, move, widespread, fatal)
11
deadly(adjective, foul, communicable)
6
noxious(adjective, foul)
6
poisonous(adjective, foul, baneful, communicable)
5
toxic
3
malignant
3
pestilent(adjective, dangerous)
3
septic
2
unhealthy
2
unwholesome
1
diseased
1
contaminated
1
gangrenous
1
infected
1
insalubrious
1
pathological
0
unhygienic
0
unsanitary
11 years ago|8.7k views|share |citing 
APASmart Define. (2015). contagious thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/contagious/thesaurus/synonyms
ChicagoSmart Define. 2015. "contagious thesaurus" https://smartdefine.org/contagious/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, contagious thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/contagious/thesaurus/synonyms>.
MLASmart Define. "contagious thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/contagious/thesaurus/synonyms>