2
unconvincing(adjective, weak, thin, delicate, shaky)
2
undernourished
2
undersized(weak, feeble, tiny)
2
unreliable(unstable, ill, unhealthy, broken, imperfect)
2
vacillating(adjective, weak, delicate, unstable, ill)
2
vague
2
valetudinary
2
wasting away
2
wavering(adjective, weak, delicate, uncertain, ill)
2
weakling
2
weary
2
wench
2
willowy(slight, lean, slim)
2
wimpish
1
pale(ill, unwell, poorly)
1
absurd
1
accessible
1
attenuate(adjective, light, weak, thin, delicate)
1
bad(ill, imperfection, broken, unwell, defective)
1
basket
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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>