crazed /kreɪzd/ BrE AmE adjective
[ Date: 1500-1600 ; Origin: craze 'to make crazy' (15-19 centuries) , from craze 'to crack, crush' (14-20 centuries) , from a Scandinavian language ]
behaving in a wild and uncontrolled way like someone who is mentally ill
crazed with grief/pain/fear etc
He was crazed with grief after the death of his mother.
The old woman had a crazed expression on her face.
a crazed killer