'self-enclosed' definitions:

Definition of 'self-enclosed'

(from WordNet)
adjective
Of self-imposed enclosure or confinement; "a self- enclosed Jewish cosmos"

Definition of 'self-enclosed'

From: GCIDE
  • enclosed \enclosed\ adj. surrounded or closed in, usually on all sides. Opposite of unenclosed. [Narrower terms: basined; {capsulate, capsulated}; closed, closed in(predicate); coarctate; confined, fenced in, penned; embedded, fixed; {embedded, surrounded}; encircled; enveloped; fogbound; self-enclosed; surrounded, encircled] [WordNet 1.5]