2
nauseous(adjective, diseased)
2
not healthy(expression, adjective, mean, weak, green)
2
off one's feed
2
on the sick-list
2
rotten(adjective, mean, sick, green, imperfect)
2
sallow
2
shaky(adjective, weak, thin, delicate, false)
2
sickish(weak, thin, ill, feeble, pale)
2
sickness(noun, disorder, disease, weakness, collapse)
2
soft(adjective, feeble)
2
sort
2
tender
2
thin(adjective, weak, delicate, shaky, pale)
2
unfit(adjective, sick, unhealthy, unwell, sickly)
2
unstable(adjective, weak, delicate, false, ill)
2
unsuccessful(adjective, unsuccessful)
2
unwholesome
2
valetudinarian
2
wasted
2
woozy(adjective, weak, thin, delicate, sick)
11 years ago|11k views|share |citing 
APASmart Define. (2015). ailing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ailing/thesaurus/synonyms
ChicagoSmart Define. 2015. "ailing thesaurus" https://smartdefine.org/ailing/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ailing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ailing/thesaurus/synonyms>.
MLASmart Define. "ailing thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/ailing/thesaurus/synonyms>