Definitions
1.AdjectiveOf questionable taste or morality; decadent.
2.AdjectiveNot reputable or decent.
3.AdjectiveUnconventional and slightly disreputable in an attractive manner; raffish, rakish.
4.NounA dubious or disreputable person or thing
5.VerbTo 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."