backbiting

But the sin of gossip is more specifically considered to be idle talk or rumor, especially about the personal or private affairs of others. It usually involves uncharitable or inappropriate conversation about others, not present and has a reputation for the introduction of errors and variations into the information transmitted. St Thomas includes it in his treatise on justice (II, IIae 72-76) in the Summa since, by it, we unjustly harm the reputation of others, through either lies or truths shared inappropriately. The Catechism of the Catholic Church includes gossip under its treatment of the 8th Commandment, “You shall not bear false witness against your neighbor.