Bizarre, devastating, and baffling are three words that describe the nervosa disease. By definition, nervosa is an eating disorder in which a normal-weight person diets and becomes significantly underweight, yet, still feeling fat, continue to starve themselves. The term " nervosa" literally means nervous lose of appetite. People with the disorder are suppressing a strong desire to eat, because they are afraid of becoming fat. is characterized by extreme starvation that leads to a disastrous loss of weight. nervosa affects a large numbe ....