stone-blind

By the second week, everyone knew perfectly well what was going on, yet everyone tried to look as if they were stone-blind to the changes in Jo’s face.

The only wonder to me is that people who are not stone-blind to what is going on in this world can put such a question.

I sprang at him; I had gone stone-blind with rage, and knew not what I did; the steel door crashed in my face; the locks rattled.

He was still hunched up in the record-man's chair, and to all appearances had gone stone-blind crazy.

"Let's have it, then; what is your evidence?" demanded Edenborough, in a fresh fit of stone-blind defiance.