louche

/luːʃ/
adjective
  1. Having a disreputable or immoral quality, often in a way that seems stylish or attractive.
    • The nightclub had a louche atmosphere, with dim lights and mysterious people.
    • The movie's villain was charming in a louche, dangerous way.
    • He cultivated a louche image, wearing expensive suits and smoking cigars.
Antonyms
What does "louche" mean? | whatsthatwordmean | whatsthatwordmean