93 entries under adjective topic. ×

4
septic
3
diseased(catching, spreading)
3
foul
3
mephitic(catching, spreading)
3
venomous
2
contaminating(catching, spreading)
2
defiled
2
dingy
2
dirty
2
disgusting
2
dusty
2
evil
2
filthy
2
grimy
2
grubby
2
grungy
2
icky
2
ill
2
ill health
2
insalubrious
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APASmart Define. (2015). infectious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infectious/thesaurus/synonyms
ChicagoSmart Define. 2015. "infectious thesaurus" https://smartdefine.org/infectious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infectious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infectious/thesaurus/synonyms>.
MLASmart Define. "infectious thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/infectious/thesaurus/synonyms>