There are many synonyms for the phrase "slides out of". These can include "slips out of", "glides out of", "slithers out of", "sneaks out of", "escapes from", "emerges from", "comes out of", "pulls out of", "withdraws from", "departs from", "risks from", and "moves out of". All of these phrases can be used to add variety and depth to your writing, whether you are describing a physical object slipping out of a container or a person sneaking away from a situation. By using synonyms for the phrase "slides out of", you can make your writing more interesting and engaging.