Definition: The word 'anxiety' comes from the Greek 'analogos', meaning 'same as'. It describes a sense or feeling of discomfort, nervousness or unease that arises when an individual is experiencing anxiety. Definition: Anxious feelings are typically associated with certain sensations and physical symptoms in the body. They can be described as intense, worrying, and distressing. Anxiety affects many aspects of daily life, such as fear of public speaking, avoidance of unfamiliar situations, and difficulty sleeping. It is a normal human reaction to stress or worry. Anxiety is characterized by high levels of tension, anxiety, and nervousness in the body. Symptoms include sweating, trembling, heart palpitations, rapid heartbeat, stomach discomfort, and muscle tension. These feelings can be overwhelming and cause people to feel anxious or even panic when they do not realize what's causing their anxiety.