115 entries under weak topic. ×

9
frail(adjective, mean, bad, delicate)
8
affection(noun, trouble, disorder, evil)
8
malady(noun, health, disorder, disease)
8
suffering(noun, trouble, mean, bad, hurt)
8
trouble(noun, disorder, ruin, damage)
7
down(noun, adjective, health, mean, bad)
7
invalid(adjective, mean, sick, green)
7
seedy(adjective, thin, sick, pale)
6
ache(noun, disorder, damage, disease)
6
below par(expression, adjective, sick, unwell)
6
nauseated(mean, offensive, sick, feeble)
5
debilitated(adjective, mean, bad, delicate)
5
decrepit(adjective, delicate, false, unstable)
5
faint(adjective, thin, delicate, sick)
5
lousy(adjective, mean, sick, green)
5
low(adjective, hurt, sad, thin)
5
peaked(adjective, mean, thin, sick)
5
peaky(adjective, thin, sick, pale)
5
run-down(adjective, thin, sick, pale)
4
fragile(adjective, delicate, false, unstable)
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APASmart Define. (2016). ill thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ill/thesaurus/synonyms
ChicagoSmart Define. 2016. "ill thesaurus" https://smartdefine.org/ill/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, ill thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ill/thesaurus/synonyms>.
MLASmart Define. "ill thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/ill/thesaurus/synonyms>