1. a serious eating disorder characterized by an obsessive desire to lose weight by refusing to eat
Usage: often used as short form of 'anorexia nervosa'; medical/psychological term
2. loss of appetite or desire to eat
Usage: medical term; less common than sense 1

Examples

• Anorexia is a serious mental health condition that requires professional treatment.
• She struggled with anorexia throughout her teenage years.
• The medication caused anorexia as a side effect.
• Anorexia can lead to severe malnutrition and other health complications.
• Treatment for anorexia often involves therapy and medical supervision.
• Warning signs of anorexia include extreme weight loss and food restriction.