81 entries under ill topic. ×

7
insecure(adjective, weak, delicate, false)
7
unstable(adjective, weak, delicate, false)
7
unsteady(adjective, false, uncertain, unstable)
5
anemic(adjective, weak, delicate, uncertain)
5
failing(adjective, weak, thin, delicate)
5
poorly(adjective, adverb, mean, weak, down)
5
wobbly(adjective, mean, bad, weak, slight)
4
faulty(adjective, unhealthy, incorrect, imperfection)
4
indisposed(adjective, mean, weak, sick)
4
lame(adjective, weak, thin, delicate, false)
3
faltering(adjective, weak, delicate, sick)
2
rotten(adjective, mean, bad, weak, delicate)
2
unreliable(unstable, unhealthy, broken, imperfect)
2
vacillating(adjective, weak, delicate, unstable)
2
wavering(adjective, weak, delicate, uncertain)
1
pale(unwell, poorly)
1
bad(imperfection, broken, unwell, defective)
1
anile(adjective, weak, delicate, sick)
1
below par(expression, idiom, sick, unfit)
1
confined(mean, weak, down, sick)
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APASmart Define. (2015). frail thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frail/thesaurus/synonyms
ChicagoSmart Define. 2015. "frail thesaurus" https://smartdefine.org/frail/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, frail thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frail/thesaurus/synonyms>.
MLASmart Define. "frail thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/frail/thesaurus/synonyms>