When your body makes water because it is hot or because you are doing hard work.
Sweat can make people think of exercise, hard work, or being too hot.
Examples:
I sweat when I run.
After playing outside, I have sweat on my face.
She doesn't like to sweat during exercise.
I don't want to sweat in my nice clothes.
I sweat so much, I look like I just took a shower!
When it's hot, I sweat a lot.