53 entries under expression topic. ×

14
under the weather(adjective, idiom, adverb, health)
5
in poor health(adjective, idiom, weak, thin)
5
out of sorts(adjective, idiom, adverb, ill)
5
washed out(verb, adjective, phrasal verb, dull)
3
laid up(adjective, sick, unwell, ailing)
2
below par(adjective, weak, ill, sick)
2
in bad shape(adjective, idiom, thin, pale)
2
laid low(adjective, idiom, weak, weakness)
2
not well(adjective, idiom)
2
run down(weak, ill, sick, feeble)
1
beat up(shabby, tacky, dingy, sordid)
1
down with(weak, sick, feeble, unwell)
1
gone to seed(idiom, unfit, shabby, squalid)
1
out of action(adjective, idiom, weak, thin)
1
out of gas(adjective, idiom, weak, thin)
1
out of shape(adjective, idiom, weak, thin)
1
pale as death
1
reduced in health
1
sick as a dog(idiom, weak, ill, sick)
1
with low resistance
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APASmart Define. (2015). sickly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sickly/thesaurus/synonyms
ChicagoSmart Define. 2015. "sickly thesaurus" https://smartdefine.org/sickly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sickly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sickly/thesaurus/synonyms>.
MLASmart Define. "sickly thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/sickly/thesaurus/synonyms>