Use "undecorated" in a sentence

1. In my arms I'm holding his favourite bouzouki, not the one with the inlaid mother-of-pearl flowers he holds in all his stage photographs, but his most treasured possession, the one he'd had since Piraeus, the delicate one; the undecorated one

2. In the centre of the chamber lay a rectangular stone block, like some sort of undecorated sarcophagus

3. the rough, undecorated walls of the camp

4. She was entirely undecorated

5. She entered a small, undecorated cubicle

6. The truth is that a decorated function cannot be undecorated; but you can still decide in runtime if the decorator will be executed or not