The word “sanguine” is pronounced “sang-gwin.” It is an adjective that means “cheerful” or “optimistic.” For example, you might say that a person with a sanguine disposition is always looking on the bright side of life.
The word “sanguine” comes from the Latin word “sanguis,” which means “blood.” In ancient times, people believed that the blood was the seat of the emotions. Therefore, a sanguine person was thought to be someone who was full of life and vitality.