(1)lacking due respect or dutifulness; "impious toward one's parents"; "an undutiful son"
(2)適切な敬意、または忠実さを欠く
(3)not obeying or complying with commands of those in authority; "disobedient children"
(4)権限を持つ関係者の命令に従わないまたは応じない
(1)