Slender in design (8)
I believe the answer is:
slimline
(Other definitions for slimline that I've seen before include "Low-calorie" , "dietary aid?" , "Low-cal; slender in build" , "Low in calories" , "Only slight" .)
I believe the answer is:
slimline
(Other definitions for slimline that I've seen before include "Low-calorie" , "dietary aid?" , "Low-cal; slender in build" , "Low in calories" , "Only slight" .)