Wiktionary
unboarded
a. Not boarded.
Usage examples of "unboarded".
Above her head, high in the roof eaves, there was an unboarded skylight.
The record-room window that Kim had broken was unboarded, and its missing glass and mullions were apparent.
A single unboarded window on the first-floor landing cast uncertain light into the hallway.
In the unboarded window there was only one pane that was unbroken - the others had been smashed and every doorknob and window latch in the place were stolen.
Men were falling like hailstones, and the loss was so dreadful that many of the dragons cried out and yielded themselves in desperation, unboarded, to save their captains and the remnants of their crews.