1 a loose top and trousers, worn either by people who are training for a sport or exercising, or as informal clothing
2 to pass sweat through the skin because you are hot, ill, or frightened:
4 to worry about something:
He is a great boss, focused on managing the big picture and rarely sweating the details.
Can't make the gig? Don't sweat it; you'll have plenty more chances.
I'm never going to sweat the small stuff again. Now I see what's important.
Be positive, don't sweat the small stuff, stop doing things you don't like.
5 to excrete a salty, colorless liquid through the skin, esp. when you are hot or frightened:
6 the salty, colorless liquid that you excrete through your skin:
Someone who is suffering from sunstroke feels dizzy and has a high temperature, but does not sweat.
This jumper always makes me sweat.