The room was dark, but she could see a vague shape on the bed.

I could make out the vague shape of a man.

He looked toward the sound but could see only a vague shape.

Looking around again, all he could make out were vague shapes.

He hadn't been able to see anything but vague shapes.

There were vague shapes on the floor close to her.

There were others with him, but he could only make out vague shapes.

He was only a vague shape in nearly total darkness.

Seconds later, he could see a vague shape, and a second beyond it.

The thing was still too distant to make out more than a vague shape.