You can describe someone or something as self-contained when they are complete and separate and do not need help or resources from outside. He seems completely self-contained and he doesn't miss you when you're not there self-contained economic blocs
constituting a complete and independent unit in and of itself; "the university is like a self-contained city with shops and all amenities"
in full control of your faculties; "the witness remained collected throughout the cross-examination"; "perfectly poised and sure of himself"; "more self-contained and more dependable than many of the early frontiersmen"; "strong and self-possessed in the face of trouble"
constituting a complete and independent unit in and of itself; "the university is like a self-contained city with shops and all amenities
a media clip (e g video) that is completely contained in one self-sufficient file, it is not dependent on any separate component clip files being present in order to play properly Everything is embedded in one single file; there are no links to external files
Self-contained accommodation such as a flat has all its own facilities, so that a person living there does not have to share rooms such as a kitchen or bathroom with other people
means accommodation has all the normal domestic facilities of a home including bedrooms, lounge room, dining room, kitchen, bathroom, toilet and laundry