The unallocated blocks are the ones that are completely unused.

The 06 and 09 area codes are completely unused, plus each current area code has large spaces unallocated.

Zenor didn't have any older brothers and was completely unused to using guile to get his own way.

That, of course, was the problem: Tork was completely unused to uncontrolled nature.

They should be distinguished from completely unused (dormant) characters, which may even get deleted for lack of activity.

They had everything, and they abandoned it at the site, for the most part completely unused.

Some structures were built there and these were at times left completely unused.

These are not kon'yoku, but they might as well be; we found them completely unused during our visit.

Rings 1 and 2 go completely unused.

Mine, having gone completely unused since I was issued it, was one of them.