Nevertheless, he had acted rash with the girl, his behavior uncharacteristic and disturbing.

He demonstrated behavior very uncharacteristic of him, however, which may or may not become a plot point later.

What, she wondered, could have provoked such uncharacteristic behaviour?

His present uncharacteristic behavior proved something, Conway thought bitterly.

Let's try another explanation for his uncharacteristic behavior.

Word of Berra's uncharacteristic behavior, complete with the challenging words he uttered, found its way into newspaper stories.

Again she displayed uncharacteristic behavior by averting her eyes as she replied.

It was uncharacteristic behaviour, but meeting Mark again had triggered such impulses.

He was totally stunned at his uncharacteristic behavior.

At least, your uncharacteristic behavior of a few minutes ago is no longer a mystery.