Expenses (9)
There are a few possibilities for this:
outgoings
'expenses' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for outgoings that I've seen before include "Regular expenditure" , "Expenses" , "expeditions" .)
'expenses' is the definition.
(cost is a kind of expense)
This is the entire clue.
(Other definitions for costs that I've seen before include "is expensive" , "Is priced at" , "Expenditures, outlays" , "Charges" , "Fees" .)
'expenses' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for outgo that I've seen before include "Travel faster than (arch.)" , "rate of expenditure" , "Exceed" , "Move faster than; exit" .)