(sleazier, sleaziest)
1.
If you describe a place as ~, you dislike it because it looks dirty and badly cared for, and not respectable. (INFORMAL)
...~ bars.
ADJ disapproval
2.
If you describe something or someone as ~, you disapprove of them because you think they are not respectable and are rather disgusting. (INFORMAL)
The accusations are making the government’s conduct appear increasingly ~.
ADJ disapproval