definition of spirit
noun. The definition of spirit is the soul of a living being, a ghost, mood or loyalty. 1  An example of spirit is a person's character. 2  An example of a spirit is the soul of a dead person trapped in the house in which they had lived.3  An example of spirit is a hospital patient who has a positive attitude: in good spirit.he definition of spirit is the soul of a living being, a ghost, mood or loyalty. 1  An example of spirit is a person's character.