careful or showing good judgement in what one says or does
"his trusted discreet aide"
"a discreet, finely wrought gold necklace"
"a discerning editor"
"a discreet silence"
"physicians are now more circumspect about recommending its use"
"a discreet investor"
You should be more discreet in your bearing towards this soldier.
出自： T. Hardy
Offering to the investor a highly discreet and even secretive service in banking.
出自： F. Forsyth