backbite

/ˈbækˌbaɪt/
verb
  1. To say mean or unkind things about someone who is not present.
    • It's not nice to backbite about your coworkers behind their backs.
    • He was known to backbite about his friends, which made them distrust him.
    • She refused to backbite even when others were gossiping.
What does "backbite" mean? | whatsthatwordmean | whatsthatwordmean