Synonyms of unfavorably

2 Syllables
afoul, feebly, badly
3 Syllables
faultily, ineptly
4 Syllables
opposingly, untowardly, contrarily, blunderingly, erroneously, imperfectly, maladroitly, conflictingly, unskillfully, adversely, critically
5 Syllables
disparagingly, unflatteringly, abominably, oppositely