Loss of appetite is a condition where a person feels no desire to eat or has a reduced desire to eat. There are numerous synonyms for this condition, including anorexia, anorexia nervosa, anorexia athletica, and anorexia mirabilis. Other terms that can be used include anorexic, inappetence, loss of hunger, appetite suppression, and lack of interest in food. These synonyms are often used to describe a range of medical, psychological, emotional, and environmental factors that can lead to a person losing their appetite. In many cases, loss of appetite is a sign of a more serious underlying medical or psychological condition, and it is important to seek medical attention if this condition persists.