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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
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. 2014.
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Examples from the web for betrays
  • Is as the tossing buoy, that betrays where the anchor is hidden.
  • But the ego betrays similar interest in the origin and maintenance of all other neuroses.
  • But nothing more visibly betrays the weakness of infidelity, nor more strengthens the cause of truth.
  • With a smile that betrays that, sure, she's run out of patience at times.
  • It's a confusion in categories that betrays a breakdown in logic which has confused issues of causation.
  • It must be said that his nasty tone betrays insecurity and suggests maybe he's not really all that sure of himself.
  • The claim that the author made is unfortunately betrays science and critical thinking which the author tries to promote.
  • But what they wrote betrays that even if they are familiar with the circadian literature, they do not really understand it.
  • Distorting anyone's words via the use of ellipses is dishonest and betrays a shoddy application of editorial standards.
  • It betrays the artist's fascination with the poetics and politics of parallel worlds.
British Dictionary definitions for betrays

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 betrays

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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