2
feeling awful(expression, weak, sick, feeble, sickly)
2
giddy
2
imperfect(adjective, mean, weak, ill, sick)
2
incorrect(adjective, ill, unhealthy, frail)
2
infected(adjective, mean, bad, weak, delicate)
2
laid-up(adjective, mean, bad, weak, delicate)
2
laid low(expression, adjective, weak, ill, sick)
2
lame(adjective, ill, sick)
2
mean(weak, ill, sick, green, unhealthy)
2
morbid
2
nauseous(sick, sickly, nauseated, seasick)
2
not well(expression, adjective, idiom)
2
off-color(weak, ill, sick, unhealthy, poorly)
2
on the sick-list
2
poor(adjective, ill, sick, shabby, tacky)
2
qualmish(adjective, mean, bad, weak, delicate)
2
run-down(weak, ill, sick, unhealthy, unfit)
2
run down(expression, adjective, mean, weak, sick)
2
sallow
2
sick as a dog(expression, adjective, idiom, mean, bad)
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APASmart Define. (2016). unwell thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unwell/thesaurus/synonyms
ChicagoSmart Define. 2016. "unwell thesaurus" https://smartdefine.org/unwell/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unwell thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unwell/thesaurus/synonyms>.
MLASmart Define. "unwell thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unwell/thesaurus/synonyms>