Synonyms of partly

1 Syllable
half
2 Syllables
halfway, slightly, halfer, quasi, semi
3 Syllables
piecemeal, notably, somewhat, partially
4 Syllables
fractionally, deficiently, noticeably, measurably, carelessly
5 Syllables
relatively, ineffectually, perfunctorily, insufficiently, incompletely
6 Syllables
inadequately