Ignoramus

Tom is an ignoramus.

Tom is an ignoramus. He understands absolutely nothing.

He who loves instruction loves knowledge, but whoever hates reproof is an ignoramus.

The problem is that visual ignoramuses, such as this writer, can't think of that many pictures and end up drawing question marks where a frog should be.

“The cost of appearing with this bloviating ignoramus is obvious, it seems to me,” he said on “This Week,” the ABC News program.

“I am sorry to say your History teacher is an ignoramus! She can’t even spell ‘Bayeux’!”