39 entries under incompetent topic. ×

13
dysfunctional(feature, characteristic, state, useless, weak)
11
ineffectual(adjective, weak, stupid, idle, inadequate)
10
ineffective(adjective, weak, stupid, idle, useless)
9
idle(adjective, action, calm, dull, weak)
7
unworkable(adjective, weak, stupid, idle)
7
vain(adjective, weak, stupid, inferior, inadequate)
6
fruitless(adjective, weak, stupid, inferior, idle)
6
worthless(adjective, weak, stupid, inferior, inadequate)
5
nugatory(adjective, inferior, inadequate, limited, feeble)
4
null(adjective, inferior, inadequate, limited, feeble)
4
unfruitful(adjective, inferior, inadequate, limited, feeble)
4
unproductive(adjective, weak, stupid, idle, inadequate)
3
inept(weak, stupid, idle, inadequate, feeble)
3
valueless(adjective, weak, stupid, idle, useless)
2
counterproductive(weak, stupid, idle, useless)
2
impracticable(adjective, weak, stupid, idle, useless)
2
inutile(adjective, weak, stupid, idle, useless)
2
nonfunctional(weak, stupid, idle, useless)
2
pointless(adjective, weak, stupid, idle, useless)
2
unsuccessful(adjective, inferior, inadequate, limited, feeble)
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APASmart Define. (2016). inoperative thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms
ChicagoSmart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inoperative thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>.
MLASmart Define. "inoperative thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms>