sanguine

a.

  1. Having the color of blood; red.
  2. Characterized by abundance and active circulation of blood; as, a sanguine bodily temperament.
  3. Warm; ardent; as, a sanguine temper.
  4. Anticipating the best; not desponding; confident; full of hope; as, sanguine of success.

n.

  1. Blood color; red.
  2. Anything of a blood-red color, as cloth.
  3. Bloodstone.
  4. Red crayon. See the Note under Crayon, 1.

v. t.

  1. To stain with blood; to impart the color of blood to; to ensanguine.