在英语中，肥胖通常用单词“obese”来表示。这个词源于拉丁语“obesus”，意思是“肥胖的”，来源于拉丁语动词“edere”，意思是“吃”。

一些英文例句如下：

The study found that obese individuals are at higher risk of developing certain health conditions.

Many people struggle with obesity due to factors such as poor diet and lack of exercise.

Obesity is a major public health concern in many countries around the world.