to stop holding or gripping something or someone(I tried to take the ball from him, but he wouldn't let go.learnersdictionary.com • She grabbed my hand and refused to let go. • He let the rope go. || Often used figuratively: When a child grows up and moves away from home, it can be hard for parents to let go. • I know she disappointed you, but you need to let the past go and move on with your life. • You need to let go of the past. • She felt she had been treated wrongly, and she wasn't willing to let it go. You're late. • I'll let it go this time, but it had better not happen again. • The car is probably worth a lot more, but she agreed to let it go for five thousand dollars.)
learnersdictionary.com • She has a hard time relaxing and letting herself go.
); to fail to take care of (oneself • I was very depressed back then and had really let myself go. 