Synonyms|878Antonyms|247|Broader|14Narrower|20Related|1.6k

81 entries under ill topic. ×

1
unsafe(unstable, unhealthy, vulnerable, dangerous)
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crazed
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demented
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deranged
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halting(adjective, weak, delicate, sick)
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illogical
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incongruous
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incorrect
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insane
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lunatic
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mad
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not feeling well(expression, idiom, weak, sick)
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not solid(expression, unhealthy)
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off-color(unwell, poorly)
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off-colour(sick, poorly)
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out of sorts(expression, idiom, sick, unwell)
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sensile(adjective, weak, delicate, sick)
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specious
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unbacked
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unbalanced(shaky, unhealthy, unsteady, wobbly)
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APASmart Define. (2015). frail thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/frail/thesaurus/synonyms
ChicagoSmart Define. 2015. "frail thesaurus" https://smartdefine.org/frail/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, frail thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/frail/thesaurus/synonyms>.
MLASmart Define. "frail thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/frail/thesaurus/synonyms>