► 名詞
疎か [(1)おろか] [liter] meaning: not only rank: 2
☆ 私は海外は疎か九州に行ったこともない ⇨ I’ve never been not only overseas, even to Kyushu. I’ve never been even to Kushy, let alone overseas
► 形容動詞
疎か [(2)おろそか] [liter] meaning: neglect rank: 2
☆ 忙しいにかまけて健康管理が疎かになってしまった ⇨ I’ve been busy and neglected to maintain my health
More examples: