expression, i-adjective
disobedient; not doing as told; unruly
Describes someone, especially a child, who does not follow instructions or behave. Often used as a set phrase modifying a person.
See also: 言うことを聞く
うちの子は言うことを聞かなくて困っている。
My child doesn't listen to what I say, and it's a problem.
言うことを聞かない生徒には厳しく指導する。
We strictly discipline students who don't do as they are told.