Self-contained1. (a.) Having self-control; reserved; uncommunicative; wholly engrossed in one's self.
2. (a.) Having all the essential working parts connected by a bedplate or framework, or contained in a case, etc., so that mutual relations of the parts do not depend upon fastening outside of the machine itself.
Thesaurus Entries
acquisitive, aloof, ambitious for self, autarchic, autarkic, autistic, autonomous, bashful, calm, careerist, close, collected, complete, composed, controlled, cool, detached, dissociable, distant, egotistical, entire, even-tempered, formal, free-spirited, freewheeling, grasping, grave, greedy, imperturbable, in control, incompatible, independent, individualistic, inner-directed, insociable, mopey, mopish, morose, narcissistic, neutral, nonaligned, nongregarious, nonpartisan, peaceful, personalistic, placid, possessive, privatistic, remote, reserved, reticent, self-absorbed, self-admiring, self-advancing, self-besot, self-centered, self-considerative, self-controlled, self-dependent, self-determined, self-devoted, self-directing, self-esteeming, self-governed, self-governing, self-indulgent, self-interested, self-jealous, self-occupied, self-pleasing, self-possessed, self-reliant, self-seeking, self-serving, self-subsistent, self-sufficient, self-supporting, selfish, serene, serious, snug, sober, socially incompatible, solemn, sovereign, standoffish, sullen, third-force, third-world, tranquil, unclubbable, uncommunicative, uncompanionable, uncongenial, undisturbed, unemotional, unflappable, unfriendly, ungenial, unitary, unperturbed, unruffled, unsociable, unsocial, whole, withdrawn