103 entries under weak topic. ×

3
fragile(adjective, thin, delicate, ill)
3
ill(noun, adjective, weakness, delicate)
3
sick(adjective, ill, feeble, confused)
2
effete(adjective, mean, low, thin)
2
enervated(adjective, thin, delicate, shaky)
2
enfeebled(adjective, thin, delicate, ill)
2
faltering(verb, adjective, delicate, ill)
2
found wanting(expression, poor, insufficient, scarce)
2
glitch(noun, adjective, weakness, poor)
2
incompetent(noun, adjective, slight, poor)
2
niggardly(poor, insufficient, scarce, meager)
2
not enough(expression, poor, insufficient, scarce)
2
poor(adjective, close, light, thin)
2
too little(expression, poor, insufficient, scarce)
2
unqualified(poor, inadequate, insufficient, deficient)
2
unsound(adjective, delicate, short, shy)
2
weakly(adjective, thin, delicate, shaky)
2
woozy(adjective, thin, delicate, shaky)
1
aged(adjective, thin, delicate, shaky)
1
anemic(adjective, delicate, ill, sick)
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APASmart Define. (2015). failing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/failing/thesaurus/synonyms
ChicagoSmart Define. 2015. "failing thesaurus" https://smartdefine.org/failing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, failing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/failing/thesaurus/synonyms>.
MLASmart Define. "failing thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/failing/thesaurus/synonyms>