Use up (energy) (5)
I believe the answer is:
spend
(Other definitions for spend that I've seen before include "amount" , "While away" , "Pay out or use up" , "Blue" , "Run through" .)
I believe the answer is:
spend
(Other definitions for spend that I've seen before include "amount" , "While away" , "Pay out or use up" , "Blue" , "Run through" .)