betray: meaning and definitions

To give aid or information to an enemy of; commit treason against: betray one's country.

To deliver into the hands of an enemy in violation of a trust or allegiance: betrayed Christ to the Romans.

To be false or disloyal to: betrayed their cause; betray one's better nature.

To divulge in a breach of confidence: betray a secret.

To make known unintentionally: Her hollow laugh betrayed her contempt for the idea.

To reveal against one's desire or will.

To lead astray; deceive. See Synonyms at deceive.