1. a person who believes in or practices spiritism, the belief that the spirits of the dead can communicate with the living

Examples

• The spiritist claimed she could contact her deceased grandmother.
• Many spiritists gather at séances to communicate with spirits.
• He became a spiritist after experiencing what he believed was supernatural contact.
• The spiritist movement gained popularity in the 19th century.
• She consulted a spiritist to try to reach her late husband.
• The spiritist used a Ouija board during the session.