7
pathogen(noun, health, thing, organism, bug)
7
sickness(noun, health, disorder, disease, collapse)
6
canker(noun, help, disorder, disease, substance)
6
complaint(noun, disorder, disease, collapse, disturbance)
6
indisposition(noun, disorder, disease, collapse, disturbance)
6
malady(noun, disorder, disease, collapse, disturbance)
4
pestilence(noun, bother, disease, annoyance, plague)
4
disorder(noun, disease, collapse, disturbance, sickness)
4
flaw
4
infectious agent(expression, disease, substance, infection)
3
blight(noun, disorder, bother, annoyance, nuisance)
3
flu(noun, disorder, collapse, disturbance, taint)
3
infectious diseases(noun, expression, health, illness, states)
3
protozoa(noun, biology, body, organism, microorganism)
3
epidemic(noun, disorder, bother, taint, plague)
2
acaricide(noun, feeling, characteristics, states)
2
ague(noun, feeling, disease, characteristics, states)
2
fever(noun, disorder, disease, illness, sickness)
2
influenza(noun, health, creature, organism)
2
plague(noun, disorder, bother, annoyance, bug)
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APASmart Define. (2015). virus thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/virus/thesaurus/synonyms
ChicagoSmart Define. 2015. "virus thesaurus" https://smartdefine.org/virus/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, virus thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/virus/thesaurus/synonyms>.
MLASmart Define. "virus thesaurus" 20 November 2015. Web. 22 September 2026. <https://smartdefine.org/virus/thesaurus/synonyms>