double crossing
/ˈdʌbəl ˌkrɔsɪŋ/
adjective
- Describing someone who betrays trust or is deceitful.
- I never expected such double-crossing behavior from my own brother.
- The double-crossing agent sold secrets to the enemy.
- The movie features a double-crossing villain who tricks the hero.
noun
- The act of betraying someone who trusted you, especially by pretending to be loyal.
- His double-crossing of his business partner ruined their friendship.
- The spy was famous for his double-crossing of both sides during the war.
- She couldn't forgive the double-crossing that cost her the promotion.