Source : Webster's Revised Unabridged Dictionary (1913)

Bloodless \Blood"less\, a. [AS. bl?dle['a]s.]
   1. Destitute of blood, or apparently so; as, bloodless
      cheeks; lifeless; dead.

            The bloodless carcass of my Hector sold. --Dryden.

   2. Not attended with shedding of blood, or slaughter; as, a
      bloodless victory. --Froude.

   3. Without spirit or activity.

            Thou bloodless remnant of that royal blood ! --Shak.
      -- {Blood"less*ly}, adv. -- {Blood"less*ness}, n.

Source : WordNet®

bloodless
     adj 1: destitute of blood or apparently so; "the bloodless carcass
            of my Hector sold"- John Dryden [syn: {exsanguine}, {exsanguinous}]
     2: free from blood or bloodshed; "bloodless surgery"; "a
        bloodless coup" [ant: {bloody}]
     3: without vigor or zest or energy; "an insipid and bloodless
        young man"
     4: devoid of human emotion or feeling; "charts of bloodless
        economic indicators"
     5: ash-colored or anemic looking from illness or emotion; "a
        face turned ashen"; "the invalid's blanched cheeks";
        "tried to speak with bloodless lips"; "a face livid with
        shock"; "lips...livid with the hue of death"- Mary W.
        Shelley; "lips white with terror"; "a face white with
        rage" [syn: {ashen}, {blanched}, {livid}, {white}]