The term 'No Gentleman He' can be broken down into four crossword solutions: BOOR, CAD, LOUT, and ROUE. A BOOR is an ill-mannered, insensitive person who lacks social graces. A CAD is a man who behaves in an dishonorable or unscrupulous way. A LOUT is a rude, aggressive, or violent person. Finally, a ROUE is a man who leads a dissolute life, especially one devoted to the pursuit of pleasure. All four terms refer to someone who is not a gentleman, and thus the phrase 'No Gentleman He' is an apt description.