louche /luːʃ/adjective 3noun 1verb 1forms 5 adjective3 •Of questionable taste or morality; decadent.Upstairs Downstairs hosts the Kennedys and Wallis Simpson (these days, in British culture, the archetypal louche American). — 2012 •Not reputable or decent.My uncle knows something about that fellow—Clavering knows something about him. There’s something louche regarding him. — 1848 •Unconventional and slightly disreputable in an attractive manner; raffish, rakish.Anyone inside the business can also tell you that without Carine Roitfeld's louche sexy styling Tom Ford's Gucci might easily have come off looking like a high-end Club Monaco. — 2007 noun1 •A dubious or disreputable person or thing'That's right,' Joe smiled. 'Loafing about on the Mall with the louche of the town. And, speaking of the louche of the town, don't we have an appointment to interview one or two of them this morning?' — 2003 verb1 •To make (an alcoholic beverage, e.g. absinthe or ouzo) cloudy by mixing it with water, due to the presence of anethole. This is known as the ouzo effect.Certain anise-flavored drinks have developed a mystique based on the exotic appearance of louching. formslouched · louching · louches · loucher · louchest