Not occupied or put to use
Lacking intelligent thought or content
Lacking value, use, or substance
Without an occupant
Without evidence of intelligence
Ramballe refused food and resting his head on his elbow lay silent beside the campfire, looking at the Russian soldiers with red and vacant eyes.
The cottage was vacant and the windows boarded up for the winter.
He found Elisabeth's studio vacant at 4:30.
The hallways were quiet and vacant, and she followed Jonny into the dark night.
He strode through the vacant hallways to the verandah doors.