He towered head and shoulders over the mostly female crowd and leaned with deceptive casualness that radiated danger against one of the pillars in the food court.
"You need something?" he asked with a casualness that pissed her off, as if he didn't know why she was there.
The entire procedure operated with a casualness to it that seemed to make fun of the serious nature of what was happening, while the rules seemed more important than what they were designed to accomplish.
How would you define casualness? Add your definition here.