1. most morally corrupt, dishonest, or disreputable
Usage: superlative form of sleazy
2. most squalid, run-down, or of poor quality
Usage: superlative form of sleazy

Examples

• That was the sleaziest business deal I’ve ever witnessed.
• He’s known as the sleaziest politician in the state.
• We stayed at the sleaziest motel on the highway.
• The sleaziest part of town was full of abandoned buildings.
• She avoided the sleaziest characters at the party.
• This is the sleaziest establishment I’ve ever seen.