Not quite curly or straight (4)
I believe the answer is:
wavy
(Other definitions for wavy that I've seen before include "Sinuous" , "Undulating" , "Curly (hair)" , "full of bends" , "Rippled" .)
I believe the answer is:
wavy
(Other definitions for wavy that I've seen before include "Sinuous" , "Undulating" , "Curly (hair)" , "full of bends" , "Rippled" .)