62 entries under feeble topic. ×

37
inept(adjective, weak, ability, poor, stupid)
26
inadequate(adjective, weak, ability, poor, thin)
24
inefficient(adjective, weak, ability, thin, delicate)
23
ineffective(adjective, weak, poor, careless, stupid)
21
unable(adjective, weak, ability, skill, awkward)
19
ineffectual(adjective, weak, poor, thin, delicate)
16
impotent(adjective, weak, poor, thin, delicate)
14
useless(adjective, weak, careless, stupid, inadequate)
12
powerless(adjective, weak, thin, delicate, inferior)
11
weak(adjective, poor, thin, delicate, careless)
9
hopeless(adjective, weak, careless, stupid, idle)
7
feckless(adjective, weak, stupid, idle, inadequate)
6
inferior(inadequate, limited, useless, vain)
6
worthless(adjective, weak, stupid, idle, inadequate)
4
unproductive(adjective, weak, poor, stupid, inferior)
3
abortive(weak, stupid, idle, inadequate, limited)
3
bootless(weak, stupid, idle, inadequate, limited)
3
futile(weak, careless, stupid, idle, inadequate)
3
good-for-nothing(noun, adjective, beat, weak, careless)
3
inefficacious(adjective, weak, skill, inadequate)
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APASmart Define. (2016). incompetent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/incompetent/thesaurus/synonyms
ChicagoSmart Define. 2016. "incompetent thesaurus" https://smartdefine.org/incompetent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, incompetent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/incompetent/thesaurus/synonyms>.
MLASmart Define. "incompetent thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/incompetent/thesaurus/synonyms>