Synonyms of incompletely

2 Syllables
partly
3 Syllables
awfully, faultily, wretchedly, shoddily, bearably, somewhat
4 Syllables
deficiently, unpleasantly, measurably
5 Syllables
ineffectually, perfunctorily, disgracefully, disreputably, unforgivably, reprehensibly, insufficiently
6 Syllables
inadequately