[syn: bloodthirsty, bloody-minded, sanguinary]
The Collaborative International Dictionary of English v.0.48:
Sanguinary \San"gui*na*ry\, n. [L. herba sanguinaria an herb
   that stanches blood: cf. F. sanguinaire. See Sanguinary,
   a.] (Bot.)
      (a) The yarrow.
      (b) The Sanguinaria.
          [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Sanguinary \San"gui*na*ry\, a. [L. sanguinarius, fr. sanguis
   blood: cf. F. sanguinaire.]
   1. Attended with much bloodshed; bloody; murderous; as, a
      sanguinary war, contest, or battle.
      [1913 Webster]
            We may not propagate religion by wars, or by
            sanguinary persecutions to force consciences.
                                                  --Bacon.
      [1913 Webster]
   2. Bloodthirsty; cruel; eager to shed blood.
      [1913 Webster]
            Passion . . . makes us brutal and sanguinary.
                                                  --Broome.
      [1913 Webster]
   Syn: Bloody; murderous; bloodthirsty; cruel.
        [1913 Webster]
WordNet (r) 3.0 (2006):
sanguinary
    adj 1: accompanied by bloodshed; "this bitter and sanguinary
           war" [syn: gory, sanguinary, sanguineous,
           slaughterous, butcherly]
    2: marked by eagerness to resort to violence and bloodshed;
       "bloody-minded tyrants"; "bloodthirsty yells"; "went after
       the collaborators with a sanguinary fury that drenched the
       land with blood"-G.W.Johnson [syn: bloodthirsty, bloody-
       minded, sanguinary]
Moby Thesaurus II by Grady Ward, 1.0:
112 Moby Thesaurus words for "sanguinary":
   Draconian, Tartarean, aggressive, animal, antagonistic,
   anthropophagous, atrocious, barbaric, barbarous, battling, beastly,
   bellicose, belligerent, bestial, blood-spattered, bloodstained,
   bloodthirsty, bloody, bloody-minded, brutal, brutalized, brute,
   brutish, cannibalistic, chauvinist, chauvinistic, combative,
   contentious, cruel, cruel-hearted, cutthroat, demoniac, demoniacal,
   devilish, diabolic, enemy, ensanguined, fell, feral, ferine,
   ferocious, fiendish, fiendlike, fierce, fighting, full of fight,
   gory, grim, hawkish, heartless, hellish, homicidal, hostile,
   infernal, inhuman, inhumane, inimical, jingo, jingoish, jingoist,
   jingoistic, kill-crazy, malign, malignant, martial, merciless,
   militant, militaristic, military, murdering, murderous,
   noncivilized, offensive, pitiless, pugnacious, quarrelsome,
   red-handed, remorseless, ruthless, saber-rattling, sadistic,
   sanguine, sanguineous, satanic, savage, scrappy, self-destructive,
   sharkish, slaughterous, slavering, soldierlike, soldierly,
   subhuman, suicidal, tameless, trigger-happy, truculent,
   unchristian, uncivilized, unfriendly, ungentle, unhuman, unpacific,
   unpeaceable, unpeaceful, untamed, vicious, warlike, warmongering,
   warring, wild, wolfish