Definition of "backbiting" [back•bit•ing]

• The action of slandering a person without that person's knowledge. (noun)
• A person who slanders or speaks badly of a person without that person's knowledge. (adjective)
• Present participle of backbite. (verb)

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• "He offered friendship to many people and never engaged in backbiting and exclusionary activities so typical of academia."
• "Another form of art world backbiting is simply to never offer praise for or speak about a particular artist."
• "So slander him not, for backbiting is blameable and poisoned is the flesh of the pious. 443 Look how he inciteth us to fight the foe; and, did not Almighty Allah love him, He had cast him aforetime into fearful torment."