1
complaint(noun, disorder, collapse, condition, sickness)
1
condition(noun, disorder, illness, sickness, affliction)
1
confinement(noun, disorder, disease, weakness, collapse)
1
coniosis
1
contagion(noun, disorder, defect, taint, affliction)
1
contamination(noun, disorder, defect, taint, sickness)
1
convalescence(noun, disorder, disease, collapse, disturbance)
1
convulsions(noun, disorder, illness, defect, sickness)
1
cowpox
1
croup
1
croupous pneumonia
1
dandy fever
1
delicacy(noun, weakness, failing, infirmity, fragility)
1
delicateness(noun, weakness, failing, delicacy, infirmity)
1
disability(noun, disorder, disease, weakness, collapse)
1
diseasedness(noun, disorder, disease, weakness, collapse)
1
disorder(noun, disease, weakness, collapse, condition)
1
distemper(noun, disorder, illness, defect, sickness)
1
dose(noun, disorder, disease, collapse, condition)
1
double pneumonia
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). flu thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/flu/thesaurus/synonyms
ChicagoSmart Define. 2015. "flu thesaurus" https://smartdefine.org/flu/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, flu thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/flu/thesaurus/synonyms>.
MLASmart Define. "flu thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/flu/thesaurus/synonyms>