He went his way, amused, contemptuous, impervious to the opinions of those about him, so courteous that his courtesy was an affront in itself.
It was going to be more difficult than she anticipated, greeting Rhett with just the proper degree of casualness and, as for telling him about the new baby! She looked at his face as he came up the steps, that dark nonchalant face, so impervious, so blank.
There are no more uses of "impervious" in the book.
Show samples from other sources
She has made up her mind and is impervious to criticism.