81 entries under incompetent topic. ×

3
indecisive(adjective, weak, feeble, useless)
3
nonfunctional(adjective, weak, stupid, idle, useless)
3
wasteful(adjective, unproductive)
2
bungling(adjective, wasteful, unproductive)
2
dud(adjective, weak, inadequate, useless)
2
dysfunctional(weak, stupid, idle, useless)
2
enfeebled(adjective, weak, inadequate, inept)
2
of no use(expression, idiom, weak, stupid, idle)
2
paralyzed(adjective, weak, inadequate, inept)
2
stupid(adjective, silly, insignificant, idle, useless)
2
uneconomical(wasteful, unproductive)
2
unskillful(adjective, weak, inadequate, feeble)
1
careless(weak, feeble, wasteful, unproductive)
1
disadvantageous(weak, stupid, idle, useless)
1
expendable(weak, stupid, idle, useless)
1
frail(adjective, weak, inadequate, inept)
1
infirm(adjective, weak, inadequate, inept)
1
no good(expression, weak, stupid, idle, useless)
1
not cut out for(expression, idiom, wasteful, unproductive)
1
prostrate(adjective, weak, inadequate, inept)
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APASmart Define. (2016). ineffective thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ineffective/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, ineffective thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ineffective/thesaurus/synonyms>.
MLASmart Define. "ineffective thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/ineffective/thesaurus/synonyms>