un communicable (adjective) uncommunicable: taciturn
Sinonime: aloof, antisocial, brooding, clammed up,
close, close-mouthed,
cold*,
curt,
distant,
dour, dried-up,
dumb, incommunicable, incommunicative,
laconic, mum,
mute,
quiet,
reserved,
reticent,
sententious,
silent, sparing,
speechless, tight-lipped, tightlipped, uncommunicative, unexpressive, unforthcoming,
withdrawn