The phrase "stands still" is commonly used to describe something that is motionless or stationary. However, there are several synonyms that can be used to convey this same idea. Synonyms for "stands still" can include "remains motionless," "stays put," "becomes stationary," "comes to a halt," and "freezes in place." These phrases all suggest a lack of movement or action, and can be used to describe anything from a person who is standing perfectly still, to a car that has come to a complete stop. By using a variety of synonyms, you can add variety and nuance to your writing, and more effectively convey the tone and mood you are aiming for.