Pet·ri·fy v. t. [imp. & p. p. Petrified p. pr. & vb. n. Petrifying ]
  1. To convert, as any animal or vegetable matter, into stone or stony substance; as, petrified wood.
     A river that petrifies any sort of wood or leaves.   --Kirwan.
  2. To make callous or obdurate; to transform, as by petrifaction; as, to petrify the heart. Young. “Petrifying accuracy.”
     And petrify a genius to a dunce.   --Pope.
     A hideous fatalism, which ought, logically, to petrify your volition.   --G. Eliot.
     The poor, petrified journeyman, quite unconscious of what he was doing.   --De Quincey.
  petrifying
       adj : paralyzing with terror