I must have gone utterly mad for a while.

Yes, you were utterly mad if you pointed them out to him.

"Because I am going to give you something that will make it look as if you have gone utterly mad."

At least they were not commanding him to do something impossible, or utterly mad.

But her eyes had a glazed and utterly mad look now.

There were far too many possibilities, all of them utterly mad.

There are some suggestions that she may be utterly mad.

The actual truth would make her sound utterly mad.

He realized that she was a mad woman, utterly mad.

If they weren't utterly mad, Gremio had never heard of anyone who was.