betray
/bɪˈtreɪ/
verb
- To be disloyal to someone who trusts you, or to break a promise or agreement.
- The soldier was executed for betraying his country to the enemy.
- He promised to keep the plan a secret, but he betrayed our trust.
- She felt hurt when her best friend betrayed her secret.
- To unintentionally show or reveal something that you wanted to hide.
- His shaking hands betrayed his nervousness during the speech.
- The old map betrayed the location of the hidden treasure.
- The slight smile on her face betrayed her true feelings.
- To be disloyal to an idea, principle, or group by acting against it.
- Some fans felt the new movie betrayed the spirit of the original book.
- The politician betrayed his campaign promises after the election.
- By accepting the bribe, he betrayed everything he stood for.