Aerodynamic (11)
'aerodynamic' is the definition.
(I know that aerodynamic can be written as streamlined)
This is the entire clue.
(Other definitions for streamlined that I've seen before include "made more efficient" , "Shaped for smooth flow" , "Of sleek appearance" , "Designed for smooth flow" , "Aerodynamic" .)
'aerodynamic' is the definition.
(I know that aerodynamic can be written as sleek)
This is all the clue.
(Other definitions for sleek that I've seen before include "Aerodynamic - well-groomed" , "Smooth and shiny" , "with glossy coats" , "Elegant, streamlined" , "Smooth - well-fed" .)