empty-headed

Not even the most open-hearted (and empty-headed) idealist could look at these developments as a healthy sign for our society.

I was paraded for the curiosity of empty-headed girls, outrageously dcollet and bejeweled.

Why did they promote that empty-headed countryman of yours to a place for which he was quite unfit?

Though she was an empty-headed, brainless kind of woman, she was not by nature a wicked one.

Mrs. Wyndham, for I was empty-headed and untrained, and I had a shallow, vulgar soul.

As it is, I don't see what that empty-headed girl's got to keep a man with.