10
unhealthiness(noun, disorder, weakness, fault, growth)
9
epidemic(noun, disorder, illness, pollution, wave)
9
defect(noun, health, state, upset, disorder)
9
disability(noun, health, state, upset, disorder)
9
ill health(noun, expression, idiom, disorder, weakness)
9
malaise(noun, trouble, disorder, evil, harm)
8
infirmity(noun, health, state, trouble, disorder)
8
canker(noun, health, state, evil, condition)
8
fever(noun, disorder, illness, sickness, affliction)
7
poison(noun, growth, pollution, taint, pollute)
7
ache(noun, disorder, sick, sickness, affliction)
7
flu(noun, disorder, weakness, fault, growth)
7
injury(noun, trouble, defeat, evil, harm)
6
morbidity(noun, health, issues, problems)
5
breakdown(noun, illness, sickness, spell, complaint)
5
deadliness(noun, destruction, death, demise, infection)
5
endemic(noun, illness, sickness, plague, affliction)
5
feebleness(noun, disorder, weakness, fault, illness)
5
influenza(noun, wave, outbreak)
5
pain(noun, trouble, disorder, evil, harm)
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APASmart Define. (2015). disease thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/disease/thesaurus/synonyms
ChicagoSmart Define. 2015. "disease thesaurus" https://smartdefine.org/disease/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, disease thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/disease/thesaurus/synonyms>.
MLASmart Define. "disease thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/disease/thesaurus/synonyms>