Like a black diamond ski slope (5)
I believe the answer is:
steep
(Other definitions for steep that I've seen before include "Having a sharp incline" , "Quickly rising" , "pickle" , "Soak; expensive (price)" , "Almost perpendicular" .)
I believe the answer is:
steep
(Other definitions for steep that I've seen before include "Having a sharp incline" , "Quickly rising" , "pickle" , "Soak; expensive (price)" , "Almost perpendicular" .)