Expense and Incidental expense

Expense noun - A payment made in the course of achieving a result.

Incidental expense and expense are semantically related. In some cases you can replace phrase "Incidental expense" with "Expense", this terms are similar.

Nearby Words: expend, expensive, expensively, expensed, expensing

Incidental expense noun - (frequently plural) an expense not budgeted or not specified.

Expense and incidental expense are semantically related. You can use "Expense" instead a noun phrase "Incidental expense".