Englishuncommunicative
adjective
he had always been quiet and uncommunicative:
taciturn, reserved, shy, retiring, diffident, reticent, laconic, tongue-tied, at a loss for words, mute, quiet, unforthcoming, unconversational, untalkative, silent, tight-lipped, close-mouthed, guarded, secretive, secret, unresponsive, close, private, media-shy, distant, remote, aloof, withdrawn, standoffish, unsociable, antisocial, unfriendly, clamlike, playing one's cards close to one's chest;
informal mum;
archaic mumchance, retired.
▷antonyms communicative, talkative, open.