2
syndrome(noun, disorder, disease, illness, sickness)
2
unsubstantiality(noun, weakness, failing, infirmity, thinness)
2
virus(noun, disorder, disease, illness, sickness)
1
Cancer(noun, disorder, growth, defect, sickness)
1
achromasia(noun, entity, condition, color, paleness)
1
ague(noun, disease)
1
ailing(noun, disorder, weakness, fault, illness)
1
anaemia
1
anemia
1
apoplexy(noun, disease)
1
ashen hue(noun, entity, condition, color, paleness)
1
bloodlessness(noun, entity, condition, color, paleness)
1
cadaverousness(noun, entity, condition, color, paleness)
1
canker(noun, disorder, growth, defect, sickness)
1
colorlessness(noun, entity, condition, color, paleness)
1
colourlessness(noun, entity, condition, color, paleness)
1
complication(noun, disease)
1
confinement(noun, disorder, weakness, fault, illness)
1
contagion(noun, disorder, illness, defect, sickness)
1
contamination(noun, disorder, illness, defect, sickness)
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APASmart Define. (2015). sickliness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sickliness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sickliness thesaurus" https://smartdefine.org/sickliness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sickliness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sickliness/thesaurus/synonyms>.
MLASmart Define. "sickliness thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/sickliness/thesaurus/synonyms>