Retreat
/ɹəˈtɹiːt/
noun
The act of pulling back or withdrawing, as from something dangerous, or unpleasant.
The act of reversing direction and receding from a forward position.
A peaceful, quiet place affording privacy or security.
verb
To withdraw from a position, go back.
(of a glacier) To shrink back due to generally warmer temperatures.
To slope back.
“a retreating forehead”