He walked slopewise down the hill.

The slopelike terrain made hiking difficult.

The road was steep and slopey.

The slopewashes were filled with debris after the heavy rain.

The skier slopeth down the mountain.

I have a collection of slopers in my sewing room.

The slopedness of the hill made it difficult to climb.

The slopeheads gathered at the bottom of the hill to watch the race.

He called him a slopehead.

Slopegraphs are a useful visualization tool for comparing changes over time.