4
unsettled stomach(noun, expression, nausea, biliousness, seasickness)
4
upset stomach(noun, expression, nausea, vomiting, faintness)
3
blight(noun, disorder, feelings, illness, defect)
3
ache(noun, hurt, weak, disorder, disease)
3
canker(noun, disorder, illness, defect, corruption)
3
deadness(noun, destruction, death, demise, pathology)
3
endemic(noun, disorder, feelings, illness, defect)
3
malignancy(noun, corruption, unhealthiness)
3
morbus(noun, weak, disease, ill, sick)
3
pain(noun, trouble, hurt, disorder, evil)
3
perniciousness(noun, destruction, death, demise, pathology)
3
unhealthfulness(noun, disease, illness, virus)
2
bug(noun, health, disorder, disease, collapse)
2
syndrome(noun, disorder, disease, collapse, condition)
2
distaste(noun, dislike, unpleasant, disgusting, hatred)
2
abomination(noun, dislike, unpleasant, disgusting, hatred)
2
attack(noun, disorder, disease, collapse, disturbance)
2
breakdown(noun, disorder, disease, collapse, disturbance)
2
collapse(noun, disorder, disease, disturbance, illness)
2
contamination(noun, disorder, illness, defect, affliction)
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APASmart Define. (2016). sickness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sickness/thesaurus/synonyms
ChicagoSmart Define. 2016. "sickness thesaurus" https://smartdefine.org/sickness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sickness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sickness/thesaurus/synonyms>.
MLASmart Define. "sickness thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/sickness/thesaurus/synonyms>