38
virus(noun, disorder, bother, disease, condition)
36
disease(noun, disorder, disease, illness, pollution)
31
contagion(noun, disorder, bother, disease, spot)
30
poison(noun, disease, substance, taint, death)
28
illness(noun, disorder, disease, condition, sickness)
27
contamination(noun, disease, virus, adulteration, epidemic)
27
taint(noun, abuse, disease, spot, stain)
25
pollution(noun, disease, spot, decay, corruption)
11
ailment(noun, disorder, disease, illness, sickness)
8
malady(noun, disorder, disease, sickness, affliction)
7
bug(noun, disorder, bother, disease, informal)
7
inflammation(noun, disorder, condition, illness, defect)
6
complaint(noun, disorder, disease, illness, sickness)
6
indisposition(noun, disorder, disease, illness, sickness)
6
pestilence(noun, bother, disease, illness, annoyance)
6
sickness(noun, disorder, disease, illness, plague)
5
bane(noun, bother, annoyance, nuisance, poison)
5
contagiousness(noun, pollution, taint, contamination, unhealthiness)
5
corruption(noun, abuse, spot, stain, decay)
5
deadliness(noun, disease, disaster, virus, fatality)
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APASmart Define. (2015). infection thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/infection/thesaurus/synonyms
ChicagoSmart Define. 2015. "infection thesaurus" https://smartdefine.org/infection/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, infection thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/infection/thesaurus/synonyms>.
MLASmart Define. "infection thesaurus" 12 November 2015. Web. 20 September 2026. <https://smartdefine.org/infection/thesaurus/synonyms>