👉 In psychology, an "obsessionist" is someone who has a strong and intense desire or fear of something that they believe to be important or valuable. This can manifest in various forms, such as over-analysis, perfectionism, and compulsive behaviors. An obsessive-compulsive disorder (OCD) is one example of this condition, characterized by the belief that some object, place, or action must be perfect or always be present. An obsessionist's behavior often involves excessive worry about their possessions