His eyes took on a vacuous look that told Faust the drug was taking effect.

Indian Jane prefers to paint young women, especially those with a 'vacuous look'.

In another photograph, Charles Van Doren is caught with a morally vacuous look as he plays the NBC quiz show "Twenty-One."

Firstly, most of them had the same vacuous look of blank stupidity as my cellmate.

He looked at them, a grin resembling Mally's touching his lips before his usual vacuous look came over him and he yawned.

The veiled, vacuous look passed and Bourne reached for the phone.

Turtle does not seem hurt, but she has stopped speaking and has the same vacuous look in her eyes that she had when Taylor first saw her.

The child was scruffy-looking, even for one of these useless inhabitants, with dirty black hair and a vacuous look.

They gave a face which must have been pretty, or at least childishly vulnerable, the vacuous look of an adult clown.