Definition: In Greek mythology, "Appassionata" refers to someone who becomes deeply engrossed in or devoted to a particular task or hobby. This term has been applied to various types of love and relationships throughout history, such as romantic love, friendship, and companionship. Definition: A person who is deeply absorbed into another's love, affection, devotion, or commitment. It could also imply the intensity of feelings that go beyond the surface and are more than just physical attraction or a desire for intimacy.