idle chatter

And he is such a fool as to think that his idle chatter can influence others.

For mine--why should I disturb her superbly regained balance with idle chatter about our morrow's meeting?

Depend upon it, I said, Miss Garston will hardly have a minute to give to our idle chatter.

But he couldn't stand the idea that "the Bull" should think he had been repeating merely idle chatter.

But some were silent, feeling, no doubt, that the serious work ahead was not the subject for idle chatter.