1. the act of betraying or attacking someone who trusts you, especially in a secretive or underhanded way
Usage: informal

1. characterized by betrayal or treacherous behavior toward someone who trusts you
Usage: informal

Examples

• The backstabbing among the team members destroyed their chances of success.
• She was hurt by her friend’s backstabbing behavior.
• Office politics often involve backstabbing and gossip.
• His backstabbing comments about his colleague were overheard by the boss.
• The backstabbing in the reality show made for dramatic television.
• She couldn’t forgive the backstabbing that cost her the promotion.