5
inept(adjective, dull, flat, slow, inadequate)
4
crude(adjective, natural, whole, unrefined, provisional)
4
inexpert(dull, simple, flat, slow, natural)
3
artless(incompetent, clumsy, inexpert)
3
incompetent(adjective, useless, unqualified, inept, clumsy)
3
inefficient(adjective, inadequate, useless, incompetent, unqualified)
2
inadept(dull, flat, slow, incompetent, clumsy)
2
inapt(adjective, suitable, incompetent)
2
unapt(useless, incompetent, unqualified, inept, clumsy)
2
undexterous(dull, flat, slow, incompetent, clumsy)
2
unfacile(dull, flat, slow, incompetent, clumsy)
2
unfit(adjective, dull, flat, slow, ready)
2
unhandy(dull, flat, slow, inadequate, useless)
2
unskilled(adjective, dull, flat, slow, awkward)
2
unskillful(inadequate, useless, incompetent, unqualified, inept)
2
untrained(adjective, simple, coarse, natural, inadequate)
1
all thumbs(expression, incompetent, clumsy, inexpert, ill-starred)
1
amateur(inadequate, useless, incompetent, unqualified, inept)
1
amateurish(simple, natural, inadequate, raw, unable)
1
awkward(dull, flat, slow, inadequate, useless)
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APASmart Define. (2015). unproficient thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unproficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "unproficient thesaurus" https://smartdefine.org/unproficient/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unproficient thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unproficient/thesaurus/synonyms>.
MLASmart Define. "unproficient thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unproficient/thesaurus/synonyms>