Synonyms|215Antonyms|56|Broader|0Narrower|0Related|93

59 entries under inadequate topic. ×

1
no go(expression, wild, unreasonable, feeble)
1
no good(weak, skill, unfit, inept)
1
not able(weak, skill, unfit, inept)
1
not cut out for(expression, idiom, weak, skill)
1
not equal to(weak, skill, unfit, inept)
1
not up to(weak, skill, unfit, inept)
1
sidelined(weak, skill, unfit, inept)
1
skill(weak, unfit, inept, powerless)
1
spineless(adjective, inferior, limited, feeble)
1
unfit(weak, skill, incompetent, inept)
1
unfitted(weak, skill, unfit, inept)
1
unqualified(weak, skill, incompetent, unfit)
1
unskilled(weak, skill, incompetent, unfit)
1
withered(adjective, inferior, limited, feeble)
0
emasculate(feeble, useless, vain, unsuccessful)
0
no way(expression, feeble, useless, unpolluted)
0
not effective(expression, feeble, useless, unpolluted)
0
slack-spined(feeble, useless, unpolluted, vain)
0
unavailable(feeble, useless, vain, unsuccessful)
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ChicagoSmart Define. 2016. "inefficacious thesaurus" https://smartdefine.org/inefficacious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inefficacious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inefficacious/thesaurus/synonyms>.
MLASmart Define. "inefficacious thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inefficacious/thesaurus/synonyms>