He had learned a lot in those two minutes of casual conversation.

She couldn't hear what the men said, but they seemed to be involved in casual conversation.

They didn't talk to each other, not even a casual conversation.

In fact, there are too many people here for casual conversation.

And in most cases, it was just a casual conversation.

He wasn't taking notes, seemed just to be having a casual conversation.

Since her husband died 30 years ago, the opportunities for casual conversation are few.

After the usual casual conversation between friends, he got down to business.

Now was his chance to strike up a casual conversation.

At a casual conversation over lunch, a woman said her son was in the army.