Definition of betray. transitive verb. 1 : to lead astray especially : seduce a nation betrayed into violence a teenager betrayed by a much older man. 2 : to deliver to an enemy by treachery was betrayed to the authorities by one of his students betraying one's own country.
betray definition: 1. to not be loyal to your country or a person, often by doing something harmful such as helping…. Learn more.
betray. (bɪˈtreɪ) vb(tr) 1. to aid an enemy of (one's nation, friend, etc); be a traitor to: to betray one's country. 2. to hand over or expose (one's nation, friend, etc) treacherously to an enemy. 3. to disclose (a secret, confidence, etc) treacherously.
Betray definition, to deliver or expose to an enemy by treachery or disloyalty: Benedict Arnold betrayed his country. See more.
When you betray someone or something, you reveal something, like a secret or your true feelings. You may betray your impatience, for example, if you sit at your desk tapping your fingers. There is another meaning of betray that is just the opposite: lie. You betray your friend if you pretend that something is true just to trick him into doing what you want.
To betray is to be disloyal, to reveal secrets, or to reveal your location to an enemy. An example of betray is when you cheat on your spouse. An example of betray is when you tell secrets and betray trust. An example of betray is when you sneeze and your enemy is then able to find you. verb. 6.
Learner's definition of BETRAY. [+ object] 1. : to give information about (a person, group, country, etc.) to an enemy. They betrayed their country by selling its secrets to other governments. He was betrayed (to the authorities) by one of his students.