Meaning of betrayal

1. She felt a deep sense of betrayal when she discovered her best friend had been talking behind her back.
2. His betrayal of the company's trust led to his immediate termination.
3. The betrayal of his country by leaking classified information was seen as a grave offense.
4. The betrayal of her husband having an affair with her sister shattered her trust in both of them.
5. The betrayal of his mentor stealing his work and passing it off as his own left him feeling devastated.
6. The betrayal of his teammate sabotaging their chances of winning the game was a bitter pill to swallow.
7. The betrayal of his childhood friend spreading rumors about him caused irreparable damage to their friendship.
8. The betrayal of her colleague taking credit for her ideas made her question who she could trust in the workplace.
9. The betrayal of her boyfriend cheating on her with her roommate was a heartbreaking revelation.
10. The betrayal of his business partner embezzling funds from their company led to a bitter legal battle.