Suddenly, the sheer lunacy of their position struck him full force.

It's sheer lunacy, he'll never really go through with it.

As if a belief in such nonsense was anything more than sheer lunacy.

But in such circumstances recession is never for a moment thought of; the suggestion would be put down as sheer lunacy.

By all the rules of common sense it was sheer lunacy.

But we wanted to share the sheer lunacy of the concept with you.

It was sheer lunacy, I thought, as well it should be.

In these conditions, to encourage mass protest over which they would have no control appeared sheer lunacy.

The book does not have the sheer lunacy of "Help!"

That's why all this talk of storming the train is sheer lunacy.