Definitions

1. noun

A natural pain-relieving chemical produced by the body, especially by the pituitary gland, as a result of stress, excitement, or physical activity.

“After a long run, she felt a rush of endorphins and a sense of euphoria.”

2. noun

A substance produced by the body that acts as a natural painkiller and mood elevator.

“Exercise releases endorphins, which can help alleviate symptoms of depression.”