self-contained
Meanings
- 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"