Want of appetite; ‘inappetency’ (Johnson). anorexia nervosa n. a condition marked by emaciation, etc., in which loss of appetite results from…

A form of anorexia nervosa in which binge eating and purging occur regularly (as in bulimia nervosa). Also: bulimia nervosa itself.

Medicine. Originally: abnormally great appetite for or consumption of food, sometimes accompanied by other symptoms such as vomiting or fainting…