Both women stiffened at the sound of the front door opening.

The shining woman lifts her arms and stiffens like someone going into a trance.

The woman stiffened her lower jaw to show her intransigence on that point.

The woman stiffened like a wire, her face desperately pale, but Richards felt calm.

I was behind the desk, and the woman stiffened.

The woman stiffened when she heard the motor horns.

There was a hint of command in Marguerida's voice, enough to make the other woman stiffen slightly.

At the door, Eve felt the woman stiffen and brace.

Then a woman seated at a set of four monitors stiffened.

The woman stiffened, grabbed Paks's arm, and started to rise.