To speak badly of an absent individual.
To attack from behind or when out of earshot with spiteful or defamatory remarks.
To make spiteful slanderous or defamatory statements about someone.
One who engages in backbiting; a backbiter.
To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia.
To speak nonsense or to lie.