疎か
Common
I-adj
1
adjectival nouns or quasi-adjectives (keiyodoshi)
negligentemente;descuidadamente
1
adjectival nouns or quasi-adjectives (keiyodoshi)
word usually written using kana alone
negligent;neglectful;careless;remiss
See also:
疎かにする (おろそかにする)
学業をおろそかにするなんて、君はばかだ。
It is silly of you to neglect your studies.