house of ill repute
and house of ill fameEuph. a house of prostitution. The sign says "Health Club," but everyone knows it's a house of ill repute. He made a lot of money by running a house of ill fame.
woman of ill repute
Euph. a prostitute. His favorite companion was a woman of ill repute. If you can't be faithful to your husband, you're no better than a woman of ill repute.