5
invalid(adjective, mean, weak, sick, green)
5
limp(adjective, weak, uncertain, feeble, hesitant)
5
low(adjective, weak, thin, delicate, well)
5
mortal(adjective, human)
5
poorly(adjective, adverb, mean, weak, down)
5
run-down(adjective, sick, feeble, unhealthy, unfit)
5
sensitive
5
small(adjective, weak, slight, feeble, lean)
5
wimpy(adjective, weak, thin, delicate, shaky)
5
wobbly(adjective, mean, bad, weak, slight)
4
airy(adjective, light, weak, slight, thin)
4
cowardly
4
crispy(adjective, state, structure, frailty)
4
faulty(adjective, ill, unhealthy, incorrect, imperfection)
4
fine(adjective, thin, delicate, flimsy, brittle)
4
gimcrack(adjective, weakness, brittleness)
4
gossamer(adjective, weak, slight, thin, feeble)
4
helpless(adjective, weak, thin, delicate, shaky)
4
human
4
indisposed(adjective, mean, weak, ill, sick)
11 years ago|26k views|share |citing 
APASmart Define. (2015). frail thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/frail/thesaurus/synonyms
ChicagoSmart Define. 2015. "frail thesaurus" https://smartdefine.org/frail/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, frail thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/frail/thesaurus/synonyms>.
MLASmart Define. "frail thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/frail/thesaurus/synonyms>