Loose, in a way, as planks or siding

Usage examples of unnailed.

The hull had received no damage on the starboard, but some of the planks had been unnailed here and there, according to custom, to permit of air entering the hold.

She put it out of the way, revealing a lever that lay under the tightly fitted but unnailed board.

Arthur held up the unnailed end of the plank and the old prophet scuttled into the recesses of his hovel, returning a moment or two later with a small Sub-Etha radio.