This is a type of anxiety disorder that is characterized by an intense fear of public speaking or performing in front of an audience. People with glossophobia may experience physical symptoms such as sweating, trembling, nausea, and a rapid heartbeat when asked to speak in public. They may also experience psychological symptoms
Glossophobia or speech anxiety is the fear of public speaking. The word glossophobia derives from the Greek γλῶσσα glossa (tongue) and φόβος phobos. The causes of glossophobia are uncertain but explanations include communibiology and the illusion of transparency. Further explanations range from nervousness produced by a lack of preparation to, one of the most common psychiatric disorders, social anxiety disorder (SAD).