115 entries under incompetent topic. ×

2
amateur(adjective, inadequate, useless, unqualified)
2
artless(clumsy, inexpert)
2
bumbling(adjective, clumsy, inexpert)
2
gauche(adjective, clumsy, inexpert)
2
half-baked(adjective, well, wasteful, unproductive)
2
inadept(clumsy, inexpert)
2
inexperienced(adjective, inadequate, useless, improper)
2
undexterous(clumsy, inexpert)
2
uneconomical(adjective, extravagant, lavish, wasteful)
2
unfacile(clumsy, inexpert)
2
unsuccessful(weak, inferior, inadequate, limited, feeble)
2
vain(adjective, weak, inferior, inadequate, limited)
1
aged(adjective, weak, thin, delicate, shaky)
1
ailing(adjective, weak, thin, delicate, shaky)
1
chicken(adjective, weak, thin, delicate, shaky)
1
debilitated(adjective, weak, thin, delicate, feeble)
1
decrepit(adjective, weak, thin, delicate, shaky)
1
delicate(adjective, weak, thin, shaky)
1
doddering(adjective, weak, thin, delicate, shaky)
1
dopey(adjective, weak, thin, delicate, shaky)
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APASmart Define. (2015). inefficient thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inefficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inefficient/thesaurus/synonyms>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 27 September 2026. <https://smartdefine.org/inefficient/thesaurus/synonyms>