2 adjectives to describe spared

This loss, amounting to two days' water, we could but ill spare: two or three gallons were collected from the rain which fell during the evening; and this trifling supply, although it had a tarry taste, was acceptable in our present circumstances.

How they speak of the thousand thumbs, that have turned over their pages with delight!of the lone sempstress, whom they may have cheered (milliner, or harder-working mantua-maker) after her long day's needle-toil, running far into midnight, when she has snatched an hour, ill spared from sleep, to steep her cares, as in some Lethean cup, in spelling out their enchanting contents!

2 adjectives to describe  spared