Rising or falling sharply (5)
I believe the answer is:
steep
(Other definitions for steep that I've seen before include "Hard for cycling" , "not reasonable" , "Soak; expensive (price)" , "Having a sharp incline" , "Precipitous - outrageous" .)
I believe the answer is:
steep
(Other definitions for steep that I've seen before include "Hard for cycling" , "not reasonable" , "Soak; expensive (price)" , "Having a sharp incline" , "Precipitous - outrageous" .)