Synonyms|216Antonyms|37|Broader|2Narrower|9Related|843
4
scourge
4
septic(adjective, unclean)
3
diseased(adjective, catching, spreading)
3
epizootic
3
foul(adjective, unclean)
3
malignant
3
mephitic(adjective, catching, spreading)
3
outbreak
3
plague
3
venomous
2
contaminating(adjective, catching, spreading)
2
defiled(adjective, unclean)
2
destructive
2
dingy(adjective, unclean)
2
dirty(adjective, unclean)
2
disgusting(adjective, unclean)
2
dusty(adjective, unclean)
2
endemic(widespread, wide-ranging, contagious, transmissible, transmittable)
2
evil(adjective, baneful)
2
filthy(adjective, unclean)
For more, visit Infectious on Power Thesaurus
11 years ago|9.5k views|share |citing 
APASmart Define. (2015). infectious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infectious/thesaurus/synonyms
ChicagoSmart Define. 2015. "infectious thesaurus" https://smartdefine.org/infectious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, infectious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infectious/thesaurus/synonyms>.
MLASmart Define. "infectious thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/infectious/thesaurus/synonyms>