betray
Americanverb (used with object)
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to deliver or expose to an enemy by treachery or disloyalty.
Benedict Arnold betrayed his country.
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to be unfaithful in guarding, maintaining, or fulfilling.
to betray a trust.
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to disappoint the hopes or expectations of; be disloyal to.
to betray one's friends.
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to reveal or disclose in violation of confidence.
to betray a secret.
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to reveal unconsciously (something one would preferably conceal).
Her nervousness betrays her insecurity.
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to show or exhibit; reveal; disclose.
an unfeeling remark that betrays his lack of concern.
- Synonyms:
- uncover, demonstrate, manifest, display
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to deceive, misguide, or corrupt.
a young lawyer betrayed by political ambitions into irreparable folly.
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to seduce and desert.
verb
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to aid an enemy of (one's nation, friend, etc); be a traitor to
to betray one's country
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to hand over or expose (one's nation, friend, etc) treacherously to an enemy
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to disclose (a secret, confidence, etc) treacherously
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to break (a promise) or be disloyal to (a person's trust)
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to disappoint the expectations of; fail
his tired legs betrayed him
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to show signs of; indicate
if one taps china, the sound betrays any faults
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to reveal unintentionally
his grin betrayed his satisfaction
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to reveal one's true character, intentions, etc
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to lead astray; deceive
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euphemistic to seduce and then forsake (a woman)
Other Word Forms
- betrayal noun
- betrayer noun
- prebetray verb (used with object)
- self-betraying adjective
- unbetraying adjective
Etymology
Origin of betray
First recorded in 1200–50; from Middle English bitraien, equivalent to bi- be- + traien, from Old French trair, from Latin trādere “to betray”; traitor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I didn’t have to be there when the social worker called him and told him what I reported; I knew the rage he felt, and I knew he felt I betrayed him.
From Literature
She argued that the groups based at Trongate 103 affect the city as a whole, and said artists "feel betrayed" by the changes.
From BBC
"I am suffering from crippling anxiety. I am trying to rebuild my life but I feel used and manipulated. I feel violated and betrayed."
From BBC
How could she sing when she had betrayed another human being!
From Literature
I think my wry smile must have betrayed me.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
