| 1. | cheerfully optimistic, hopeful, or confident: a sanguine disposition; sanguine expectations. |
| 2. | reddish; ruddy: a sanguine complexion. |
| 3. | (in old physiology) having blood as the predominating humor and consequently being ruddy-faced, cheerful, etc. |
| 4. | bloody; sanguinary. |
| 5. | blood-red; red. |
| 6. | Heraldry. a reddish-purple tincture. |
| 7. | a red iron-oxide crayon used in making drawings. |

sanguine san·guine (sāng'gwĭn)
adj.
Of a healthy, reddish color; ruddy.
Cheerfully confident; optimistic.
Having blood as the dominant humor in terms of medieval physiology.
Archaic Having the temperament and ruddy complexion that was formerly thought to be characteristic of a person dominated by this humor; passionate.