betray

1. (transitive) To deliver into the hands of an enemy by treachery or fraud, in violation of trust; to give up treacherously or faithlessly.Examples: "An officer betrayed the city."transitive

2. (transitive) To prove faithless or treacherous to, as to a trust or one who trusts; to be false to; to deceive.Examples: "to betray a person or a cause"; "Quresh betrayed Sunil to marry Nuzhat."; "My eyes have been betraying me since I turned sixty."Synonyms: selltransitive

3. (transitive) To violate the confidence of, by disclosing a secret, or that which one is bound in honor not to make known.transitive

4. (transitive) To disclose (a secret, etc.) in deliberate violation of someone’s confidence.Examples: "The dead leap at the throat, destroy The meaning of the day; dark forms Have scaled your walls, and spies betray Old secrets to amorphous swarms."Synonyms: give awaytransitive

5. (transitive) To disclose or indicate, for example something which prudence would conceal; to reveal unintentionally.Examples: "Though he had lived in England for many years, a faint accent betrayed his Swedish origin."; "Jones’ sad eyes betray a pervasive pain his purposefully spare dialogue only hints at, while the perfectly cast [Josh] Brolin conveys hints of playfulness and warmth while staying true to the craggy stoicism at the character’s core."; "Again, to take a less extreme example, there is no denying that although the dialects of northern France retained their fundamentally Romance character, they betray many Germanic influences in phonetics and vocabulary, […]"transitive

6. (transitive) To mislead; to expose to inconvenience not foreseen; to lead into error or sin.transitive