Related Clues:

• Lower
• More unpleasant
• More sordid
• More disreputable
• Less on the level
• More illicit-seeming
• More unsavory
• More sleazy
• Has dire problem, being more underhand
• Less sunny
• Blocking more sunlight
• More crooked and possibly better at being kept in the dark?
• More protected by a tree's leaves
• Less legit