Meanings of remain unexpended in English

The sum of $50 thousands appropriated by Congress for providing gun boats remains unexpended.

The sum of $50,000 appropriated by Congress for providing gunboats remains unexpended.

Only seven thousand dollars of the available fund remained unexpended, and this was regarded as inadequate to complete the undertaking under any other plan.

Thus far they have labored without compensation, and a part of the small sum appropriated for the payment of their expenses still remains unexpended.

There was, therefore, a balance of $1,479,054.37 remaining unexpended and to the credit of the Department on June 30, 1879.