Lose strength and vitality (8)
I believe the answer is:
languish
(Other definitions for languish that I've seen before include "Lose or lack vitality" , "Grow weak or feeble" , "Wilt" , "Flag" , "fade away" .)
I believe the answer is:
languish
(Other definitions for languish that I've seen before include "Lose or lack vitality" , "Grow weak or feeble" , "Wilt" , "Flag" , "fade away" .)