383 entries under adjective topic. ×

5
baneful
5
calamity(noun, hurt, wrong, blow)
5
dangerous(unstable, shaky, insane, unhealthy)
5
debilitated(mean, bad, weak, delicate)
5
decrepit(weak, delicate, false, unstable)
5
disastrous
5
faint(weak, thin, delicate, sick)
5
foreboding(bad, evil)
5
iniquitous(bad, evil, behaviour)
5
lousy(mean, weak, sick, green)
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low(hurt, weak, sad, thin)
5
nocuous(bad, evil, harmful, unfavorable)
5
not well(expression, idiom)
5
noxious(mean, bad, evil, harsh)
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peaked(mean, weak, thin, sick)
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peaky(weak, thin, sick, pale)
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pernicious(rude, vicious, wicked, hostile)
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ruinous(bad, evil, arouse bad feelings)
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run-down(weak, thin, sick, pale)
5
unpromising(bad, evil, negative, disapproving)
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APASmart Define. (2016). ill thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ill/thesaurus/synonyms
ChicagoSmart Define. 2016. "ill thesaurus" https://smartdefine.org/ill/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ill thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ill/thesaurus/synonyms>.
MLASmart Define. "ill thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ill/thesaurus/synonyms>