What is the opposite word for outstanding?

The opposite of "outstanding" depends on the context in which you're using it. Here are a few possibilities:

If "outstanding" means excellent or exceptional:

* Mediocre

* Average

* Ordinary

* Subpar

* Poor

If "outstanding" means unpaid or overdue:

* Paid

* Settled

* Current

* Up-to-date

If "outstanding" means prominent or noticeable:

* Unremarkable

* Inconspicuous

* Hidden

* Unnoticeable

To provide the most accurate opposite, please provide the sentence or context where you are using "outstanding."