0 dirty, cheap, or not socially acceptable, especially relating to moral or sexual matters: --
This part of town is full of sleazy bars and restaurants.
1 morally bad and low in quality, but trying to attract people by a showy appearance or false manner: --
He’s a sleazy politician who ignored his responsibilities in order to make his friends rich.
2 sleazy people and places are involved in activities of a low moral standard: --
57% of voters think of the government as "sleazy and incompetent".