Source : Webster's Revised Unabridged Dictionary (1913)

Jeopardize \Jeop"ard*ize\, v. t. [imp. & p. p. {Jeopardized}; p.
   pr. & vb. n. {Jeopardizing}.]
   To expose to loss or injury; to risk; to jeopard.

         That he should jeopardize his willful head Only for
         spite at me.                             --H. Taylor.