125 entries under weak topic. ×

1
unpurposed(stupid, idle, useless, incompetent)
1
unusuable(stupid, idle, useless, incompetent)
1
vacillating(adjective, soft, uncertain, unstable)
1
vitiated(adjective, thin, delicate, shaky)
1
weakened(adjective, thin, delicate, shaky)
1
weakly(adjective, thin, delicate, shaky)
1
wimpy(adjective, thin, delicate, shaky)
1
woozy(adjective, thin, delicate, shaky)
0
carefree(careless, feeble)
0
crippled(adjective, inadequate, incompetent, inept)
0
dud(adjective, inadequate, incompetent, inept)
0
flat(thin, feeble, incompetent, frail)
0
fustian(careless, feeble)
0
incautious(careless, feeble)
0
insipid(light, soft, feeble, indecisive)
0
paper tiger(expression, adjective, inadequate, incompetent)
0
shaky(adjective, thin, delicate, uncertain)
0
shiftless(careless, feeble)
0
uncareful(careless, feeble)
0
unimpressive(adjective, incompetent, indecisive)
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ineffectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/synonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/ineffectual/thesaurus/synonyms>