Definition of betray
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
3 : to fail or desert especially in time of need betrayed his family felt that she would be betraying her principles You've betrayed our trust.
4a : to reveal unintentionally betray one's true feelingsb : show, indicate His best columns betray … the philosophical bent of his mind. — John Mason Brownc : to disclose in violation of confidence betray a secret
: to prove false
betrayalplay \-ˈtrā(-ə)l\ noun
betrayerplay \-ˈtrā-ər\ noun
Examples of betray in a Sentence
They betrayed their country by selling its secrets to other governments.
She is very loyal and would never betray a friend.
She betrayed her own people by supporting the enemy.
She coughed, betraying her presence behind the door.
Recent Examples of betray from the Web
It was further betrayed by being printed, posted, stored and sold.
But this is well before Donald Trump was elected president that my party has betrayed their core values.
With all of today’s technology, knowledge and specialized training, Finnegan threw three innings before his arm betrayed him again.
Neutrinos first betrayed their existence through an absence.
Yet in practice, distrust abounds: Reportedly, some of its more senior members secretly covet the presidency and have previously betrayed each other.
If not by dragon, who wouldn't enjoy seeing Tyrion Lannister exact revenge for the way he was cast out and betrayed by Cersei.
While, floral and fern prints betrayed Van Noten’s love of flowers.
But seeking to exploit those assets while a journalist would betray readers' trust in a reporter's impartiality.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'betray.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Synonym Discussion of betray
BETRAY Defined for English Language Learners
Definition of betray for English Language Learners
: to give information about (a person, group, country, etc.) to an enemy
: to hurt (someone who trusts you, such as a friend or relative) by not giving help or by doing something morally wrong
: to show (something, such as a feeling or desire) without wanting or trying to
BETRAY Defined for Kids
Definition of betray for Students
1 : to give over to an enemy by treason or treachery betray a fort
2 : to be unfaithful to betray a friend betrayed our trust
3 : to reveal or show without meaning to betray fear
4 : to tell in violation of a trust betray a secret
Seen and Heard
What made you want to look up betray? Please tell us where you read or heard it (including the quote, if possible).