They are completely incapable of lying, finding it difficult to tell the difference between a novel and a biography.

Have you ever met someone who holds strong opinions but is completely incapable of explaining them?

Yet he knew he was completely incapable of dealing with the wizard himself.

"I found myself completely incapable of living as my own person and fell into a deep depression."

I stood still, completely incapable of movement or speech.

By the time he drew back she was blushing, and completely incapable of further speech.

They are true aliens, completely incapable of common ground with humanity.

Michael proves to be completely incapable of living out in the wild by himself.

It has proved to be completely incapable of controlling its external borders.

Sarah felt completely incapable of doing anything as complicated as living a life.