'Slanders' in the Bible

When someone comes to visit, he pretends to be friendly; he thinks of ways to defame me, and when he leaves he slanders me.

I will destroy anyone who slanders his neighbor in secret. I will not tolerate anyone who has a cocky demeanor and an arrogant attitude.

he is conceited and understands nothing, but has an unhealthy interest in controversies and verbal disputes. This gives rise to envy, dissension, slanders, evil suspicions,