Over-expenditure refers to the act of spending more than the budgeted amount, and it can have negative consequences for individuals and organizations alike. If you're looking for synonyms for this term, here are a few options to consider:
1. Overspending
2. Extravagance
3. Immoderate spending
4. Excess expenditure
5. Prodigality
6. Wastefulness
7. Unnecessary expenses
8. Lavish spending
9. Splurging
10. Spending beyond one's means
Regardless of which synonym you choose to use, it's important to be mindful of your spending habits and to try to stick to a budget whenever possible. By doing so, you can avoid the financial stress and strain that can come with over-expenditure.