(shadier, shadiest)
1.
You can describe a place as ~ when you like the fact that it is sheltered from bright sunlight, for example by trees or buildings.
After flowering, place the pot in a ~ spot in the garden...
ADJ
2.
Shady trees provide a lot of shade.
Clara had been reading in a lounge chair under a ~ tree.
ADJ: usu ADJ n
3.
You can describe activities as ~ when you think that they might be dishonest or illegal. You can also use ~ to describe people who are involved in such activities.
The company was notorious for ~ deals...
ADJ: usu ADJ n disapproval