Not as rough (6)
I believe the answer is:
evener
(Other definitions for evener that I've seen before include "One should smooth out" , "Calmer" , "Flatter" , "More level" , "Smoother" .)
I believe the answer is:
evener
(Other definitions for evener that I've seen before include "One should smooth out" , "Calmer" , "Flatter" , "More level" , "Smoother" .)