lose one's grip , also: lose one's hold

Then she lost hold of herself and had nothing more to say.

But then I lost hold of him for a second.

He lost his hold near the top, and dropped back to the floor.

I didn't even remember when I'd lost my hold on it.

Out the window, night was just beginning to lose its hold on the city.

But this was not the first time that he had lost his hold on life only to find it again.

About what would happen to him, if he ever lost his hold on humanity.

By the beginning of the 20th century, coal had lost its hold on the energy market.

Oil has quietly lost its hold on the American economy.

The need for revenge had lost its hold on him.