Source : Webster's Revised Unabridged Dictionary (1913)

Unbloody \Un*blood"y\, a.
   Not bloody. --Dryden.

   {Unbloody sacrifice}.
   (a) A sacrifice in which no victim is slain.
   (b) (R. C. Ch.) The Mass.

Source : WordNet®

unbloody
     adj : achieved without bloodshed; "an unbloody transfer of power"
           [syn: {nonviolent}]