疎か (Orosoka) is a Japanese na-adjective meaning “negligent, neglectful, careless, remiss”.
Meanings
- na-adjectivenegligent; neglectful; careless; remiss
Examples
私はバイオリンはおろかギターも弾けない。
I can't play the guitar, much less the violin.
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.
僕はイタリア語を書くのはおろか読めもしない。
I can't even read Italian, let alone write it.
Sentences from Tatoeba (CC BY 2.0 FR).