Synonyms of incompetently

2 Syllables
feebly, badly
3 Syllables
awkwardly, faultily, ineptly, shabbily, clumsily
4 Syllables
inexpertly, deficiently, blunderingly, erroneously, imperfectly, maladroitly, unskillfully, inferiorly
5 Syllables
ineffectually, perfunctorily, abominably, defectively, unsuccessfully
6 Syllables
inadequately