64 entries under sickness topic. ×
| deficiency(noun, disorder, weakness, fault, illness) | |
| disturbance(noun, disorder, disease, collapse) | |
| mild sickness(noun, expression, disorder, condition, illness) | |
| susceptibility(noun, weakness, illness, frailty) |
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| APA | Smart Define. (2015). flu thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/flu/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flu thesaurus" https://smartdefine.org/flu/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, flu thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/flu/thesaurus/synonyms>. |
| MLA | Smart Define. "flu thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/flu/thesaurus/synonyms> |