The phrase "a discreet man" is correct and usable in written English.
It can be used to describe someone who is careful about what they say or do, often to avoid causing embarrassment or attracting attention.
Example: "In a room full of loud personalities, he remained a discreet man, choosing his words wisely and listening more than he spoke."
Alternatives: "a reserved man" or "a tactful man".
But a discreet man will not put these things into spoken words; for the West Point engineers have not their superiors anywhere; they know all that can be known of their abstruse science; and so, since they conceive that they can fetter and handcuff that river and boss him, it is but wisdom for the unscientific man to keep still, lie low, and wait till they do it.
In death, as he was in life, convicted Venezuelan drug trafficker Teófilo Rodríguez Cazorla was not a discreet man.
And he's such an unbelievably discreet man.
Only once, when a horsefly bite provoked a painful abscess in his rump, did we require the skill of a veterinarian, but he was an understanding and discreet man, who most scrupulously promised to keep this professional secret and, as far as I know, kept his promise.
Some seem harmless enough, like the "six foot one, conservative, awesome" guy looking for a conservative woman to check out the sights in D.C. Others are spicy, like the "super discreet" man interested in way more than a D.C. tour with a man.
None of this means much to Falconer, a discreet gay man whose partner, Jim, has just died in a car accident.
LONDON — There was a time when the discreet men in blazers who run Lord's cricket ground in London would have considered it an abomination to equate baseball with cricket in any fashion.
Mohamed el Afifi, the mosque's spokesman, said in an interview today that Mr. Yarkas and Mr. Maboule were discreet men who attracted little attention.
The most egregious examples of banking secrecy, money laundering and tax fraud are found not in remote alpine valleys or on sunny tropical isles but in the backyards of the world's biggest economies.At issue is not banking secrecy as the Swiss once knew it, where discreet men in plush offices promised to take the names of their clients to the grave.
"I'm the best auctioneer in the world, but no one knows it because I'm a discreet sort of man.
First sentence: "I'm the best auctioneer in the world, but no one knows it because I'm a discreet sort of man".
