Without roughness (6)
I believe the answer is:
smooth
(Other definitions for smooth that I've seen before include "Still" , "Not rough or coarse" , "Easy" , "Free from roughness in appearance or sound" , "Even; without jerks" .)
I believe the answer is:
smooth
(Other definitions for smooth that I've seen before include "Still" , "Not rough or coarse" , "Easy" , "Free from roughness in appearance or sound" , "Even; without jerks" .)