hole in one (noun) triumph: victory, achievement
Sinonime: buttoned up, clammed up,
close, close-lipped, dummied up, have tight chops, hush-hush, on the Q. T.,
quiet, reticent,
sedate, taciturn, tight-lipped, uncommunicative, zipped one's lips
Antonime: chatty, open,
talkative