5
plague(noun, disorder, bother, disease, condition)
4
affliction(noun, disorder, disease, condition, cold)
4
bacteria(noun, toxin, venom, germ)
4
condition(noun, disorder, disease, illness, sickness)
4
defilement(noun, abuse, harm, deterioration, immorality)
4
disorder(noun, disease, illness, sickness, affliction)
4
epidemic(noun, disorder, bother, disease, condition)
4
evil(noun, immorality, depravity, bane, perversion)
4
ill(noun, disease, illness, bane, virus)
4
infirmity(noun, disorder, disease, illness, sickness)
4
sore(noun, wound, tenderness)
4
unhealthiness(noun, disorder, disease, illness, sickness)
3
animation
3
bacillus(noun, illness, sickness, germ, microorganism)
3
canker(noun, disorder, illness, sickness, affliction)
3
communicability(noun, pollution, taint, contamination)
3
curse(noun, bother, disease, cold, annoyance)
3
disability(noun, disorder, disease, illness, sickness)
3
disease germ
3
infestation(noun, disease, cold, curse, wave)
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APASmart Define. (2015). infection thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infection/thesaurus/synonyms
ChicagoSmart Define. 2015. "infection thesaurus" https://smartdefine.org/infection/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infection thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infection/thesaurus/synonyms>.
MLASmart Define. "infection thesaurus" 12 November 2015. Web. 25 September 2026. <https://smartdefine.org/infection/thesaurus/synonyms>