bulimia nervosa refers to an eating disorder that involves recurrent episodes of binge eating, followed by an effort to compensate by self -induced vomiting or other means of purging. Individuals with bulimia are also unduly influenced by body shape and weight, and are obsessed with food.
Other /More definition:
bulimia nervosa refers to eating disorder involving recurrent episodes of uncontrolled excessive (binge) eating followed by compensatory actions to remove the food, such as deliberate vomiting, laxative abuse, and excessive exercise