Spent (7)
'spent' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for drained that I've seen before include "empty" , "spent" , "Emptied of liquid" , "Deprived of strength" , "Exhausted" .)
'spent' is the definition.
(I know that spent can be written as exhausted)
This is all the clue.
(Other definitions for exhausted that I've seen before include "Worn out" , "Drained of strength" , "spent" , "All in, really tired" , "ready for bed" .)