6
malevolent(adjective, mean, bad, evil, harsh)
6
misfortune(noun, trouble, hurt, ruin, wrong)
6
nauseated(mean, weak, offensive, sick, feeble)
6
sinister(adjective, bad, evil)
6
unfriendly(adjective, mean, bad, evil, harsh)
6
unlucky(adjective, bad, evil, negative, disapproving)
6
weak(adjective, mean, bad, thin, delicate)
6
woe(noun, help, hurt, cause, wrong)
5
awful
5
baneful(adjective, baneful)
5
calamity(noun, adjective, hurt, wrong, blow)
5
dangerous(adjective, unstable, shaky, insane, unhealthy)
5
debilitated(adjective, mean, bad, weak, delicate)
5
decrepit(adjective, weak, delicate, false, unstable)
5
disadvantageously
5
disastrous(adjective, arouse bad feelings)
5
drawback(noun, weakness, negative, problem, disadvantage)
5
faint(adjective, weak, thin, delicate, sick)
5
foreboding(adjective, bad, evil)
5
iniquitous(adjective, bad, evil, behaviour)
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APASmart Define. (2016). ill thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ill/thesaurus/synonyms
ChicagoSmart Define. 2016. "ill thesaurus" https://smartdefine.org/ill/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, ill thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ill/thesaurus/synonyms>.
MLASmart Define. "ill thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/ill/thesaurus/synonyms>