The unnerving sound of their weird spectral baying assured me that the first hound had been joined by the other three.

Then, an unnerving sound was heard rising from the maze of hedgerows surrounding Graignes.

An unnerving sound, since it only happened when normal safety measures were strained near their limits.

There was no sound but the faint wheeze of her breathing, nearly as unnerving as the laughter.

The man contrived well and shortly after Tic led her back to her dinky cabin, the unnerving sounds of command were muted.

He seems to specialize in creating unnerving and unaccountable sounds in the night and proceeds up the stairs with a curious mincing gait.

The ear-splitting roar of the earthquake faded away with the tremors, so that Khan heard only his own voice and the unnerving sound of loose granite settling all around him.

They passed doors from which suddenly emerged an unnerving sound, like the muffled anguish of machines.

It was an unnerving sound.

If one concentrated on it, Duncan told himself, it could be not only an annoying, but an unnerving sound.