The meaning of BETRAY is to lead astray; especially : seduce. How to use betray in a sentence. Synonym Discussion of Betray.

Vargas plays the part of treacherous aristocrat who betrays his king and country. Didn't he feel guilty about betraying his fellow countrymen and women? I trusted him and he betrayed me. …

1. to deliver or expose to an enemy by treachery. 2. to be unfaithful in guarding or fulfilling: to betray a trust. 3. to be disloyal to: to betray one's friends. 4. to reveal in violation of confidence: …

to be unfaithful or disloyal to: to betray one's friends. to reveal or make known (a secret given in confidence): to betray a plan. to reveal unconsciously (something a person would prefer to …

Dec 23, 2025 · From Middle English betrayen, bitrayen (“to commit an act of treason against”), equivalent to be- +‎ tray (“to betray”). betray (third-person singular simple present betrays, …

BETRAY definition: to deliver or expose to an enemy by treachery or disloyalty. See examples of betray used in a sentence.

They betrayed their country by selling its secrets to other governments. He was betrayed (to the authorities) by one of his students. She is very loyal and would never betray a friend. She …

When I tell someone I will not betray his confidence, I keep my word. [VERB noun] The President betrayed them when he went back on his promise not to raise taxes. [VERB noun] She was …

Definition of betray verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

To inform upon or deliver into the hands of an enemy in violation of a trust or allegiance. To deliver or expose to an enemy traitorously. To be false or disloyal to. Betrayed a cause; betray …