That colony must be kept in utter ignorance of what happened to its major weapon.

Never did keen intelligence more quickly triumph over utter ignorance.

What baffled us was our utter ignorance of the aspect in which we might encounter the thing.

The only problem with this plan was our utter ignorance of the French Alps, which we had never visited, and therefore were passionate about.

The crooks aboard the Patagonia had been in utter ignorance of the details.

The great merit of this book is to demonstrate that, on the Palestinian issue, these experts speak from utter ignorance.

The professor claims utter ignorance as to what has happened in his house, and ventures the hypothesis that Smith's death might have been suicide.

And I think I've exposed my utter ignorance of what grows when.

They agreed, and in utter ignorance began to advance at random.

What do you get when you mix utter ignorance and a mind able to ask, "Why"?