103 entries under feeble topic. ×

4
soft(adjective, light, unhealthy, unfit)
4
tender(adjective, weak, delicate, uncertain)
3
colorless(adjective, dull, light, weak, soft)
3
insipid(light, weak, soft, lackluster)
3
rickety(adjective, uncertain, shaky, hesitant)
3
rocky(adjective, health, weak, thin, uncertain)
3
shaky(adjective, weak, thin, delicate, uncertain)
2
below par(expression, adjective, weak, ill, sick)
2
doddering(adjective, weak, thin, delicate)
2
down(adjective, weak, thin, ill, sick)
2
etiolated(adjective, weak, thin, delicate)
2
flimsy(adjective, weak, delicate, uncertain, ill)
2
infected(adjective, weak, ill, sick)
2
lackluster(adjective, weak, thin, ill)
2
languorous(adjective, dull, weak, easy, slow)
2
lusterless(weak, lackluster)
2
run down(expression, weak, ill, sick)
2
spent(adjective, weakness, uncertain, hesitant)
2
wavering(adjective, uncertain, ill, sick)
1
down with(expression, weak, sick, unwell)
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APASmart Define. (2015). sickly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sickly/thesaurus/synonyms
ChicagoSmart Define. 2015. "sickly thesaurus" https://smartdefine.org/sickly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sickly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sickly/thesaurus/synonyms>.
MLASmart Define. "sickly thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/sickly/thesaurus/synonyms>