👉 Glossolalia, also known as glossolalicism or glossolacy, is a mental disorder characterized by an inability to understand and communicate in a coherent manner. It involves difficulties with language comprehension, articulation, and verbal expression that can be challenging for others to understand. The term "glossolalia" comes from the Greek word "glos," which means "to speak" or "to talk," and "alaios," which means "to speak."