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betray

 
 
/bɪˈtreɪ/ verb [T]

Definition

PERSON to behave in a dishonest or cruel way to someone who trusts you: When I heard what he had said about me, I felt betrayed.
SECRETS If you betray your country or an organization, you give secret information to its enemies or to other organizations.
EMOTION to show an emotion that you were trying to hide: Her face was calm, but her hands betrayed her nervousness.
(Definition of betray verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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