15
half-assed
6
not good
5
incapable(adjective, clumsy)
4
amateur
4
green
4
unskilled(adjective, clumsy)
3
incompetent(adjective, clumsy)
3
unorganized
3
incomplete(adjective, wanting, unfinished)
3
inexperienced
3
inexpert(adjective, clumsy)
3
unable(adjective, clumsy)
2
amateurish
2
clumsy
2
awkward
2
inept(adjective, clumsy)
2
jejune
2
unpolished
1
unfit
1
arguable
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APASmart Define. (2015). accomplished thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/accomplished/thesaurus/antonyms
ChicagoSmart Define. 2015. "accomplished thesaurus" https://smartdefine.org/accomplished/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, accomplished thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/accomplished/thesaurus/antonyms>.
MLASmart Define. "accomplished thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/accomplished/thesaurus/antonyms>