They're cruel for fun, and they can't understand things like mercy.
To delay at this point would be cruel for her.
He did love a good practical joke, but this would be too cruel even for him.
The strain of a night like this one was too cruel for the man.
He'd been cruel to turn away from her for even a moment.
"It would be cruel and unfair for us not to act now."
They had always been together and the separation was cruel for both of them.
But it seemed cruel for anyone to live in such conditions.
It's hard to describe the way he looked, and probably it would be cruel for me even to try.
"What were you doing out in the cold cruel for the past two years?"