[1] : The Collaborative International Dictionary of English v.0.48

sanguinary \san"guinary\, 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

[2] : The Collaborative International Dictionary of English v.0.48

sanguinary \san"guinary\, n. l. herba sanguinaria an herb
   that stanches blood: cf. f. sanguinaire. see sanguinary,
   a. bot.
      a the yarrow.
      b the sanguinaria.
          1913 webster
see also:
sanguinary 

[3] : WordNet (r) 2.0

sanguinary
     adj 1: accompanied by bloodshed; "this bitter and sanguinary war"
            syn: gory, 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
see also:
gory sanguineous slaughterous butcherly bloodthirsty bloody-minded 

[4] : 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

Sanguinary >> S Words
Sanguinary, definition of term: Sanguinary
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