12
disease(noun, disorder, disease, weakness, fault)
9
ailment(noun, weak, disorder, disease, weakness)
9
decrepitude(noun, disorder, disease, weakness, fault)
9
infirmity(noun, disorder, disease, weakness, fault)
8
debility(noun, disorder, disease, weakness, fault)
8
illness(noun, weak, disorder, disease, weakness)
8
malady(noun, weak, disorder, disease, weakness)
8
weakness(noun, disorder, fault, illness, failing)
6
affection(noun, weak, disorder, disease, ill)
6
complaint(noun, weak, disorder, disease, ill)
6
condition(noun, disorder, disease, sick, sickness)
6
disorder(noun, weak, disease, weakness, fault)
6
malaise(noun, disorder, disease, weakness, depression)
6
paleness(noun, entity, condition, color)
6
sickness(noun, weak, disorder, disease, weakness)
5
affliction(noun, weak, disorder, disease, weakness)
5
feebleness(noun, disorder, weakness, fault, illness)
5
fragility(noun, disorder, weakness, fault, failing)
5
frailty(noun, disorder, weakness, fault, illness)
5
unhealthiness(noun, disorder, disease, weakness, fault)
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APASmart Define. (2015). sickliness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sickliness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sickliness thesaurus" https://smartdefine.org/sickliness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sickliness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sickliness/thesaurus/synonyms>.
MLASmart Define. "sickliness thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sickliness/thesaurus/synonyms>