Lose colour over time (4)
I believe the answer is:
fade
(Other definitions for fade that I've seen before include "Discolour" , "Wither away" , "Dwindle" , "Grow dull" , "Lose brightness" .)
I believe the answer is:
fade
(Other definitions for fade that I've seen before include "Discolour" , "Wither away" , "Dwindle" , "Grow dull" , "Lose brightness" .)