Un-hinge', v. t.

[imp. & p. p. UNHINGED; p. pr. & vb. n. UNHINGING.]

1. To take from the hinges; as, to unhinge a door.
2. To displace; to unfix by violence. Blackmore.
3. To render unstable or wavering; as, to unhinge the mind; to unhinge opinions.

Why should I then unhinge my brains, ruin my mind? South. His sufferings ... had not in the least unhinged his mind. H. Walpole.