To make spiteful slanderous or defamatory statements about someone.
To attack from behind or when out of earshot with spiteful or defamatory remarks.
To speak badly of an absent individual.
One who engages in backbiting; a backbiter.
To criticise (especially small details).
Used other than figuratively or idiomatically: see pick, apart.
To overcome by skilled execution.
To review or analyse in great detail