32 entries under unable topic. ×

25
inept(adjective, weak, ability, inadequate, limited)
24
incompetent(adjective, weak, ability, thin, delicate)
21
ineffectual(adjective, weak, thin, delicate, failure)
16
incapable(adjective, weak, ability, inadequate, feeble)
16
useless(adjective, weak, failure, inferior, affect)
14
unfit(adjective, weak, ready, inadequate, well)
14
unskilled(adjective, weak, ability, inadequate, useless)
7
inadequate(adjective, weak, thin, delicate, inferior)
7
unskillful(adjective, ability, inadequate, useless, well)
6
helpless(adjective, weak, thin, delicate, inadequate)
5
awkward(adjective, inadequate, useless, incompetent, unqualified)
5
clumsy(adjective, weak, inadequate, useless, incompetent)
5
insufficient(adjective, weak, thin, delicate, failure)
5
untrained(adjective, inadequate, useless, well, incompetent)
4
unfitted(weak, inadequate, useless, unqualified)
3
amateurish(inadequate, useless, immoral, inept)
3
bungling(adjective, inadequate, useless, incompetent, unqualified)
3
disqualified(inadequate, useless, incompetent, unqualified, inept)
3
maladroit(adjective, inadequate, useless, unqualified, clumsy)
3
unproficient(adjective, inadequate, useless, incompetent, unqualified)
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APASmart Define. (2015). inefficient thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/inefficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/inefficient/thesaurus/synonyms>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 23 September 2026. <https://smartdefine.org/inefficient/thesaurus/synonyms>