{f} take off the hinges (e.g. a door, gate, etc.); open very wide; throw into confusion, upset; detach, discompose
To render unstable or wavering; to unsettle; as, to unhinge one's mind or opinions; to unhinge the nerves
If you say that an experience has unhinged someone, you mean that it has affected them so deeply that they have become mentally ill. The stress of war temporarily unhinged him. + unhinged un·hinged feelings that make you feel completely unhinged and crazy. to make someone become very upset or mentally ill