7
dire(adjective, inexpedience, arouse bad emotions)
7
down(noun, adjective, health, mean, bad)
7
hurtful(adjective, help, mean, bad, evil)
7
infirmity(noun, health, trouble, disorder, evil)
7
invalid(adjective, mean, weak, sick, green)
7
malicious(adjective, mean, bad, evil, harsh)
7
mischievous(adjective, help, wicked, harmful, unfavorable)
7
seedy(adjective, weak, thin, sick, pale)
7
threatening(adjective, bad, evil, negative, unfavorable)
7
unkindly
7
wickedness(noun, trouble, wrong, damage, evil)
6
ache(noun, weak, disorder, damage, disease)
6
below par(expression, adjective, weak, sick, unwell)
6
calamitous(adjective, negative, disapproving, uncomplimentary, arouse bad emotions)
6
condition(noun, trouble, disorder, evil, disease)
6
depravity(noun, trouble, wrong, evil, harm)
6
destruction(noun, trouble, ruin, damage, evil)
6
destructive(adjective, rude, negative, vicious, wicked)
6
faulty(property, unhealthy, frail)
6
laid up(expression, adjective, health, informal, sick)
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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>