7
unhealthy
6
sick(adjective, unhealthy)
6
weak(adjective, unhealthy)
4
ailing
3
bad
3
ill
3
infirm
3
sickly
3
unwell
2
challenged
2
debilitated
2
delicate
2
disabled
2
emaciated
2
enfeebled
2
feeble
2
frail
2
gaunt
2
haggard
2
incapacitated
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APASmart Define. (2016). hale thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hale/thesaurus/antonyms
ChicagoSmart Define. 2016. "hale thesaurus" https://smartdefine.org/hale/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, hale thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hale/thesaurus/antonyms>.
MLASmart Define. "hale thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/hale/thesaurus/antonyms>