Anoia is a medical term that refers to a type of mental health disorder that involves a persistent and irrational fear of something. This fear can be related to a specific object, situation, or activity. There are several synonyms that are commonly used to describe anoia, such as anxiety, apprehension, worry, dread, phobia, and panic. Each of these terms can be used to describe different aspects of this type of mental disorder, but they all convey the idea of an irrational or disproportionate fear. Some people may experience only mild symptoms of anoia, while others may experience severe and debilitating anxiety that requires professional treatment.