Reduce darkness (7)
I believe the answer is:
lighten
(Other definitions for lighten that I've seen before include "Thin leg (anag.)" , "lift" , "Make paler" , "make fairer" , "Ease burden or reduce weight" .)
I believe the answer is:
lighten
(Other definitions for lighten that I've seen before include "Thin leg (anag.)" , "lift" , "Make paler" , "make fairer" , "Ease burden or reduce weight" .)