having the color of blood; red.-characterized by abundance and active circulation of blood; as, a sanguine bodily temperament.-warm; ardent; as, a sanguine temper.-anticipating the best; not desponding; confident; full of hope; as, sanguine of success.-blood color; red.-anything of a blood-red color, as cloth.-bloodstone.-red crayon. see the note under crayon, 1.-to stain with blood; to impart the color of blood to; to ensanguine.