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betray

[bih-trey] /bɪˈtreɪ/
verb (used with object)
1.
to deliver or expose to an enemy by treachery or disloyalty:
Benedict Arnold betrayed his country.
2.
to be unfaithful in guarding, maintaining, or fulfilling:
to betray a trust.
3.
to disappoint the hopes or expectations of; be disloyal to:
to betray one's friends.
4.
to reveal or disclose in violation of confidence:
to betray a secret.
5.
to reveal unconsciously (something one would preferably conceal):
Her nervousness betrays her insecurity.
6.
to show or exhibit; reveal; disclose:
an unfeeling remark that betrays his lack of concern.
7.
to deceive, misguide, or corrupt:
a young lawyer betrayed by political ambitions into irreparable folly.
8.
to seduce and desert.
Origin of betray
1200-1250
1200-50; Middle English bitraien, equivalent to bi- be- + traien < Old French trair < Latin trādere to betray. See traitor
Related forms
betrayal, noun
betrayer, noun
prebetray, verb (used with object)
prebetrayal, noun
self-betrayal, noun
self-betraying, adjective
unbetrayed, adjective
unbetraying, adjective
Synonyms
4. bare, expose, tell, divulge. 6. display, manifest, expose, uncover.
Antonyms
4, 6. hide, conceal.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for betrayed
Contemporary Examples
Historical Examples
  • If the Creole noticed their repugnance, he betrayed no sign of it.

    The Free Lances Mayne Reid
  • Dick spoke at once, with a hesitancy that betrayed the depth of his emotion.

    Within the Law Marvin Dana
  • Then he, too, paused abruptly, because he felt as if he had betrayed himself.

  • The indignation of a betrayed tight-rope performer was strong within him.

    The Secret Agent Joseph Conrad
  • Weak as the Russian Emperor might be, it was evident that he had not betrayed my secret.

    The International Spy Allen Upward
British Dictionary definitions for betrayed

betray

/bɪˈtreɪ/
verb (transitive)
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
4.
to break (a promise) or be disloyal to (a person's trust)
5.
to disappoint the expectations of; fail: his tired legs betrayed him
6.
to show signs of; indicate: if one taps china, the sound betrays any faults
7.
to reveal unintentionally: his grin betrayed his satisfaction
8.
betray oneself, to reveal one's true character, intentions, etc
9.
to lead astray; deceive
10.
(euphemistic) to seduce and then forsake (a woman)
Derived Forms
betrayal, noun
betrayer, noun
Word Origin
C13: from be- + trayen from Old French trair, from Latin trādere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for betrayed

betray

v.

late 13c., bitrayen "mislead, deceive, betray," from be- + obsolete Middle English tray, from Old French traine "betrayal, deception, deceit," from trair (Modern French trahir) "betray, deceive," from Latin tradere "hand over," from trans- "across" (see trans-) + dare "to give" (see date (n.1)). Related: Betrayed; betraying.

Online Etymology Dictionary, © 2010 Douglas Harper
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