betray

I
(New American Roget's College Thesaurus)
v. play false; divulge, reveal. See information, improbity, disclosure.
II
(Roget's IV) v.
1. [To deliver into the hands of an enemy]
Syn. play false, break faith (with), inform on, inform against, turn in, commit treason, turn informer, delude, break one's promise, be false to, be false-hearted to, be disloyal to, go over to the enemy, trick, let down, disappoint, deceive, sell down the river*, play Judas*, give the Judas kiss to*, double-cross*, deliver up*, sell out*, stab in the back*, bite the hand that feeds one*, cross up*, turn state's evidence; see also deceive , inform 2 .
Ant. support*, adhere, stand firm.
2. [To lead astray]
Syn. seduce, misguide, corrupt; see seduce .
3. [To reveal]
Syn. divulge, disclose, uncover, make known; see reveal 1 .
See Synonym Study at deceive , reveal .
III
(Roget's 3 Superthesaurus) v.
1. break faith turn traitor, deceive, *pull a Judas, sell out, stab in the back, *sell down the river, *two-time, *double-cross, *fink, *rat on.
2. reveal give away, show, disclose, tell on, unmask, divulge, expose.
ANT.: 1. be loyal, be faithful. 2. hide, cover up
IV
(Roget's Thesaurus II) verb 1. To be treacherous to: double-cross. Slang: rat (on), sell out. Idiom: sell down the river. See TRUST. 2. To disclose in a breach of confidence: blab, divulge, expose, give away, let out, reveal, tell, uncover, unveil. Informal: spill. Archaic: discover. Idioms: let slip, let the cat out of the bag, spill the beans, tell all. See SHOW. 3. To cause to accept what is false, especially by trickery or misrepresentation: beguile, bluff, cozen, deceive, delude, double-cross, dupe, fool, hoodwink, humbug, mislead, take in, trick. Informal: bamboozle, have. Slang: four-flush. Idioms: lead astray, play false, pull the wool over someone's eyes, put something over on, take for a ride. See HONEST.

English dictionary for students. 2013.

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  • Betray — Be*tray (b[ e]*tr[=a] ), v. t. [imp. & p. p. {Betrayed} ( tr[=a]d ); p. pr. & vb. n. {Betraying}.] [OE. betraien, bitraien; pref. be + OF. tra[ i]r to betray, F. trahir, fr. L. tradere. See {Traitor}.] 1. To deliver into the hands of an enemy by… …   The Collaborative International Dictionary of English

  • betray — (v.) late 13c., bitrayen mislead, deceive, betray, from BE (Cf. be ) + obsolete M.E. tray, from O.Fr. traine betrayal, deception, deceit, from trair (Mod.Fr. trahir) betray, deceive, from L. tradere hand over, from trans across (see …   Etymology dictionary

  • betray — [v1] be disloyal abandon, be unfaithful, bite the hand that feeds you*, blow the whistle*, bluff, break faith, break promise, break trust, break with, commit treason, cross, deceive, deliver up*, delude, desert, double cross, finger*, forsake, go …   New thesaurus

  • betray — [bē trā′, bitrā′] vt. [ME bitraien < be , intens. + traien, betray < OFr trair < L tradere, to hand over: see TREASON] 1. a) to help the enemy of (one s country, cause, etc.); be a traitor to b) to deliver or expose to an enemy… …   English World dictionary

  • betray — I (disclose) verb acknowledge, admit, air, aperire, avow, bare, bear witness against, bring into the open, bring to light, come clean, confess, declare, detegere, divulge, double cross, expose, give away, give utterance to, impart, inform, inform …   Law dictionary

  • betray — 1 mislead, delude, *deceive, beguile, double cross Analogous words: trap, entrap, snare, ensnare (see CATCH): *dupe, trick, befool, hoodwink, gull 2 discover, *reveal, disclose, divulge, tell Analogous words: manifest, evidence, evince, * …   New Dictionary of Synonyms

  • betray — ► VERB 1) act treacherously towards (a person, country, etc.) by revealing information to or otherwise aiding an enemy. 2) be disloyal to. 3) unintentionally reveal; be evidence of. DERIVATIVES betrayal noun betrayer noun. ORIGIN from Old French… …   English terms dictionary

  • betray */*/ — UK [bɪˈtreɪ] / US verb [transitive] Word forms betray : present tense I/you/we/they betray he/she/it betrays present participle betraying past tense betrayed past participle betrayed 1) a) if you betray your country, or if you betray someone who… …   English dictionary

  • betray — be|tray [bıˈtreı] v [T] ▬▬▬▬▬▬▬ 1¦(friends)¦ 2¦(country)¦ 3¦(emotions)¦ 4¦(truth)¦ 5 betray your beliefs/principles/ideals etc ▬▬▬▬▬▬▬ [Date: 1200 1300; Origin: tray to betray (13 16 centuries), from Old French traïr, from Latin tradere; TRAITOR] …   Dictionary of contemporary English

  • betray — be|tray [ bı treı ] verb transitive ** 1. ) if you betray your country, or you betray someone who needs your support, you deliberately do something that harms them or helps their opponents: In wartime many people accused of betraying their… …   Usage of the words and phrases in modern English

  • betray — [[t]bɪtre͟ɪ[/t]] betrays, betraying, betrayed 1) VERB If you betray someone who loves or trusts you, your actions hurt and disappoint them. [V n] When I tell someone I will not betray his confidence I keep my word... [V n] The President betrayed… …   English dictionary

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