What is another word for shut oneself up?
Pronunciation: [ʃˈʌt wɒnsˈɛlf ˈʌp] (IPA) 
There are several synonyms for the phrase "shut oneself up" that can be used to describe the act of withdrawing from social interaction or isolating oneself. These include "seclude oneself," "isolate oneself," "withdraw from society," "retreat from the world," "close oneself off," and "cocoon oneself." Each of these phrases implies a similar sense of detachment or disconnection from the outside world. Whether for introspection, relaxation, or focusing on a task or project, these synonyms can help convey the sense of intentional separation that can come with "shutting oneself up".
