backstab

/ˈbækˌstæb/
verb
  1. To betray someone who trusts you, especially by doing something harmful or disloyal behind their back.
    • In the office, some people will backstab their coworkers to get a promotion.
    • He felt hurt when his business partner tried to backstab him by stealing clients.
    • I can't believe my best friend would backstab me by spreading rumors.
Synonyms
noun
  1. An act of betrayal by someone trusted.
    • The politician's backstab shocked even his closest allies.
    • She still remembers the backstab that ended their friendship.
    • That backstab from my teammate cost us the game.
What does "backstab" mean? | whatsthatwordmean | whatsthatwordmean