adjective
1.
not needing or depending on other people :
Her father was a quiet self-contained man.
2.
able to operate or exist without outside help or influence
SYN independent :
a self-contained community
Each chapter is self-contained and can be studied in isolation.
3.
[ usually before noun ] ( BrE ) ( of a flat / apartment ) having its own kitchen, bathroom and entrance :
self-contained accommodation