Synonyms of self-contained in English:

self-contained


See US English definition of self-contained

See UK English definition of self-contained

See Spanish definition of independiente

adjective

1‘each train was a self-contained unit’

SYNONYMS
complete, independent, separate, free-standing, enclosed
ANTONYMS

linked

2‘a very self-contained child’

SYNONYMS
independent, standing on one's own two feet, self-sufficient, self-reliant, introverted, undemonstrative, quiet, private, aloof, insular, reserved, unemotional, uncommunicative, reticent, secretive
ANTONYMS

dependent, forthcoming, outgoing