Of blood; bloody.Bloodthirsty; bloody; sanguinary.Of the color of blood; red; ruddy: as, a sanguine complexion; the sanguine francolin, Ithaginis cruentatus; specifically, in heraldry, same as murrey.Abounding with blood; plethoric; characterized by fullness of habit: as, a sanguine habit of body.Characterized by an active and energetic circulation of the blood; having vitality; hence, vivacious; cheerful; hopeful; confident; ardent; hopefully inclined; habitually confiding: as, a sanguine temperament; to be sanguine of success. See temperament.Synonyms Lively, animated, enthusiastic.n. The color of blood; red; specifically, in heraldry, same as murrey.n. Bloodstone, with which cutlers stained the hilts of swords, etc.n. Anything of a blood-red color, as a garment.n. A drawing executed with red chalks.To stain with blood; ensanguine.To stain or varnish with a color like that of blood; redden.