Synonyms of erroneously

1 Syllable
wrong
2 Syllables
wrongly, afoul, feebly, weakly, poorly, badly
3 Syllables
awkwardly, faultily, shoddily, stupidly, ineptly, groundlessly, erringly, crudely, clumsily
4 Syllables
blunderingly, imperfectly, maladroitly, negligently, unskillfully, mistakenly, carelessly, haphazardly
5 Syllables
abominably, defectively, incompetently, unfavorably, unsuccessfully, indefensibly, unjustifiably
6 Syllables
unfortunately, ineffectively
7 Syllables
unsatisfactorily