Obesity (noun)

1. The condition of being extremely overweight.
2. The state of having an excessive amount of body fat.

Origin:

From latin obesus, from obedere "to eat up, devour".

Examples:

1. Obesity is a major health problem in many developed countries.
2. He was diagnosed with obesity and diabetes.
3. The obesity rate in the country has been increasing over the years.
4. Obesity can lead to many health problems, such as heart disease and diabetes.
5. The cause of his obesity was his sedentary lifestyle and poor dietary habits.