freeminded (adjective) happy-go-lucky: blithely unconcerned
Sinonime: incommunicable, incommunicative, quiet, reserved, reticent,
secretive, silent,
taciturn, uncommunicable, uncommunicative, untalkative
Antonime: disconsolate, discontented,
dissatisfied,
distressed,
troubled,
upset,
worried