Source : Webster's Revised Unabridged Dictionary (1913)

Craze \Craze\ (kr[=a]z), v. t. [imp. & p. p. {Crazed}
   (kr[=a]zd); p. pr. & vb. n. {Crazing}.] [OE. crasen to break,
   fr. Scand., perh. through OF.; cf. Sw. krasa to crackle,
   sl[*a] i kras, to break to pieces, F. ['e]craser to crush,
   fr. the Scand. Cf. {Crash}.]
   1. To break into pieces; to crush; to grind to powder. See
      {Crase}.

            God, looking forth, will trouble all his host, And
            craze their chariot wheels.           --Milton.

   2. To weaken; to impair; to render decrepit. [Obs.]

            Till length of years, And sedentary numbness, craze
            my limbs.                             --Milton.

   3. To derange the intellect of; to render insane.

            Any man . . . that is crazed and out of his wits.
                                                  --Tilloston.

            Grief hath crazed my wits.            --Shak.

Source : WordNet®

crazed
     adj : driven insane [syn: {deranged}, {half-crazed}]