Synonyms|445Antonyms|1|Broader|9Narrower|5Related|95
3
debilitation(noun, disorder, weakness, fault, illness)
2
contagious disease(expression, idiom)
2
debility(noun, disorder, weakness, fault, illness)
2
decay(noun, disorder, weakness, fault, illness)
2
decrepitude(noun, disorder, weakness, fault, illness)
2
deer fly fever(expression, idiom)
2
dengue fever(expression, idiom, disease)
2
grip
2
hay fever(expression, idiom, disease)
2
herpes
2
ill health(noun, expression, disorder, disease, weakness)
2
infection(noun, disorder, disease, taint, affliction)
2
lockjaw
2
malady(noun, disorder, disease, weakness, collapse)
2
measles
2
mumps
2
pertussis
2
pneumonia
2
polio
2
quinsy
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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>