226 entries under weak topic. ×

3
insignificant(adjective, feeble, tiny)
3
nerveless(adjective, inadequate, incompetent, inept)
3
paltry(adjective, thin, delicate, feeble)
3
poor(adjective, light, slight, thin)
3
spindly(adjective, thin, uncertain, feeble)
3
unfit(adjective, sick, unhealthy, broken)
2
defective(adjective, mean, thin, feeble)
2
diseased(mean, down, sick, feeble)
2
feverish(mean, down, sick, feeble)
2
fly-by-night(light, slight, imaginary, flimsy)
2
forceless(adjective, uncertain, inadequate, feeble)
2
gauzy(slight, thin, feeble, tacky)
2
ineffectual(adjective, thin, delicate, shaky)
2
insufficient(adjective, thin, delicate, false)
2
papery(slight, thin, feeble, tacky)
2
peaked(mean, down, sick, green)
2
petty(light, slight, feeble, tiny)
2
prostrate(adjective, uncertain, inadequate, feeble)
2
rotten(adjective, mean, bad, delicate)
2
run down(expression, mean, sick, green)
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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>