/bækˈstæbɪŋ/
VERB
To attack, criticize, or undermine someone in a deceitful, underhanded, or treacherous manner, especially when that person is absent.
Secretly betraying someone who trusts you by acting against their interests, breaking their loyalty, or deceiving them for personal advantage.
Secretly criticizing, insulting, defaming, or spreading damaging information about someone when they are not present.
Using dishonest, manipulative, or underhanded methods to mislead someone, conceal intentions, or gain an advantage at another person's expense.
NOUN
An act of betrayal, deceit, or treacherous behavior in which someone secretly undermines, harms, or acts against another person's interests.
An act of violating someone's trust or loyalty through secret hostility, deception, or disloyal conduct.
The practice of secretly damaging someone's reputation through gossip, slander, false accusations, or disparaging remarks.