The prevailing trait in their mental attitude is incredulousness.
She fed her incredulousness indignantly on the evidence confounding it.
I cried, with an incredulousness that I immediately perceived was rude.
She tried to meet the drawn misery and incredulousness of his face with a laugh of reassurance.
Incredulousness was written on the quiet face that looked up at him from the armchair.
He hoped she would laugh it away, but she only looked at him, her lips parted, a hint of incredulousness in her eyes.
But she was there, looking at him as she had when he told her she was beautiful, the same hint of incredulousness in her eyes.
Then he had hurriedly scrawled the check, which she took in spite of her incredulousness of its worth.