6
ill health(noun, expression, idiom, disorder, disease)
6
infection(noun, disorder, disease, illness, plague)
6
qualmishness(noun, feelings, characteristics, states, queasiness)
6
queasiness(noun, trouble, defeat, disease, distress)
6
sickliness(noun, weak, disorder, disease, weakness)
6
stomach upset(noun, expression, medicine, health, body)
6
travel-sickness(noun, expression, medicine, health, body)
5
pathology(noun, destruction, death, demise, unhealthiness)
5
malaise(noun, trouble, disorder, evil, disease)
5
morbidity(noun, disease, feelings, characteristics, states)
5
sick(noun, weak, disease, ill)
5
vomiting(noun, nausea, faintness, biliousness, queasiness)
4
seasickness(noun, disease, nausea, biliousness)
4
airsickness(noun, medicine, health, states)
4
carsickness(noun, medicine, health, states)
4
debility(noun, disorder, disease, weakness, illness)
4
defect(noun, disorder, weakness, condition, illness)
4
gagging(noun, medicine, health, states)
4
motion sickness(noun, expression, nausea, biliousness, queasiness)
4
retching(noun, nausea, vomiting, faintness, biliousness)
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APASmart Define. (2016). sickness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sickness/thesaurus/synonyms
ChicagoSmart Define. 2016. "sickness thesaurus" https://smartdefine.org/sickness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sickness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sickness/thesaurus/synonyms>.
MLASmart Define. "sickness thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/sickness/thesaurus/synonyms>