unhinged

About 0.19 uses per million words.

Meaning

1. adjective Mentally ill or unstable; deranged; insane.
2. verb simple past and past participle of unhinge
3. adjective Not furnished with a hinge.

   an unhinged door

4. adjective Not having ever been mounted using a stamp hinge.

Similar words

demented insane crazy mad brainsick sick disturbed distracted unbalanced deranged

Often followed by

by the and from his him her in me