No, he thought, not dread, there’s nothing to fear: just an immense, diffused apprehension, with no source or object.
Whenever she returned, he felt as if the world became clear, simple, easy to face-and he forgot his moments of shapeless apprehension.
Then, as she watched him, the apprehension vanished.
But she felt a vague apprehension which she could not define, the suggestion that there was something of grave consequence in whatever had made him say it, something dangerous to him.
There were a few times, that winter, when she felt an undefined apprehension: the professor’s words kept returning to her mind, as a warning which she could not explain.
But the loudest screaming of the most hysterical editorial roused no emotion in himwhile a variation of a decimal point in a laboratory report on a test of Rearden Metal made him leap to his feet in eagerness or apprehension.
The note of apprehension was obvious in her voice now.
She found herself staring at the stubs of her cigarettes in the ashtray stand beside her, and wondered why it gave her a sharper feeling of apprehension.
He had attended to the matter without breaking his chain of appointments, without raising his voice, without sign of strain, uncertainty or apprehension; he had acted with the swift precision of a military commander under sudden fire-and Gwen Ives, his secretary, had acted as his calmest lieutenant.
Her faint apprehension grew into a question mark, and the question mark turned into a drill, cutting deeper and deeper into her mind through the evenings that followed-when Galt left the house and she remained alone.
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She had never experienced it before, this sense of apprehension at the sight of a prairie, this feeling that the rail was only a fragile thread stretched across an enormous emptiness, like a worn nerve ready to break.
They could not decipher the expression on his face, except that it showed no sign of apprehension.
There are no more uses of "apprehension" in the book.