dysfunctional

adjective

1. not performing normally, as an organ or structure of the body; malfunctioning.
2. having a malfunctioning part or element: It is hard to get bills through a dysfunctional congress.
3. behaving or acting outside social norms: All the siblings in their extremely dysfunctional family lost contact as adults.

adjective

1. med (of an organ or part) not functioning normally
2. (esp of a family) characterized by a breakdown of normal or beneficial relationships between members of the group