Expense

Ex·pense (ĭk-spĕns') pronunciation
n.

1. Something spent to attain a goal or accomplish a purpose: an expense of time and energy on the project.
2. A loss for the sake of something gained; a sacrifice: achieved speed at the expense of accuracy.
2. An expenditure of money; a cost: an improvement that was well worth the expense; a trip with all expenses paid.
3. expenses
1. Charges incurred by an employee in the performance of work: was reimbursed for her travel expenses.
2. Informal. Money allotted for payment of such charges.
4. Something requiring the expenditure of money: Redecorating the house will be a considerable expense.