Floyd never quite understood why he acted as he did; such rashness was completely uncharacteristic.

Such behavior was completely uncharacteristic for the precise, punctual science officer.

In the middle of October her work started to take a new and completely uncharacteristic turn.

"Very true," said Malus with a completely uncharacteristic seriousness.

This is completely uncharacteristic of him.

He seemed tired and uncertain, which was completely uncharacteristic.

From his unusual vehemence Gary knew he was venting his anger and grief in a completely uncharacteristic loss of control.

That's completely uncharacteristic of her.

"Sit down, Doctor," he said with a completely uncharacteristic smile.