"Oh, I’m not going to separate the inseparables," he said in his usual bantering tone.
He who had been such a careful father, had from the end of that winter become peculiarly frigid to his son, and adopted to him just the same bantering tone he used with his wife.
Glancing at his wife and Vronsky, he went up to the lady of the house, and sitting down for a cup of tea, began talking in his deliberate, always audible voice, in his habitual tone of banter, ridiculing someone.
From the date of their conversation after the party at Princess Tverskaya’s he had never spoken again to Anna of his suspicions and his jealousies, and that habitual tone of his bantering mimicry was the most convenient tone possible for his present attitude to his wife.
There are no more uses of "banter" in the book.
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banter among friends
She was too slow to banter well, but he appreciated her earnestness.