unhinge

/ʌnˈhɪndʒ/
verb
  1. To make someone mentally or emotionally unstable; to disturb or upset greatly.
    • The constant stress of the job began to unhinge him.
    • Losing her best friend seemed to unhinge her for a while.
    • The shocking news threatened to unhinge the entire family.
  2. To remove a door or gate from its hinges.
    • They had to unhinge the old door to fit the new one.
    • The storm unhinged the garden gate, leaving it lying on the ground.
    • He carefully unhinged the cabinet door to repair the broken hinge.
Antonyms