betrayer

be·tray

B0217300 (bĭ-trā′)tr.v. be·trayed, be·tray·ing, be·trays 1. a. To give aid or information to an enemy of; commit treason against: betray one's country.b. To inform upon or deliver into the hands of an enemy in violation of a trust or allegiance: "City investigators betrayed him to his bosses as a whistle-blower" (Selwyn Raab).2. To be false or disloyal to: betrayed a cause; betray one's spouse.3. To divulge in a breach of confidence: betray a secret.4. To make known unintentionally: Her hollow laugh betrayed her contempt for the idea.5. To lead astray; deceive: "She felt somewhat like a woman who in a moment of passion is betrayed into an act of infidelity" (Kate Chopin).

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[Middle English bitraien : bi-, be- + traien, to betray (from Old French trair, from Latin trādere, to hand over; see tradition).]

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be·tray′al n.be·tray′er n.

Thesaurus

Noun	1.	betrayer - one who reveals confidential information in return for moneyblabber, informer, squealer, ratcanary, fink, snitch, stool pigeon, stoolie, stoolpigeon, sneaker, snitcher, sneak - someone acting as an informer or decoy for the policeinformant, source - a person who supplies informationcopper's nark, nark - an informer or spy working for the policesupergrass, grass - a police informer who implicates many people
	2.	betrayer - a person who says one thing and does anotherdouble-crosser, double-dealer, traitor, two-timerbeguiler, cheater, deceiver, trickster, slicker, cheat - someone who leads you to believe something that is not trueJudas - someone who betrays under the guise of friendship

betrayer

noun traitor, deceiver, informer, renegade, defector, conspirator, Judas, deserter, double-crosser (informal), turncoat, quisling, apostate, miscreant, snake in the grass, back-stabber a traitor and betrayer

betrayer

nounOne who betrays:double-crosser, Judas, traitor.Informal: rat.

Translations

背叛者

betray

(biˈtrei) verb1. to act disloyally or treacherously towards (especially a person who trusts one). He betrayed his own brother (to the enemy). 背叛 背叛2. to give away (a secret etc). Never betray a confidence! 洩露 泄露3. to show (signs of). Her pale face betrayed her fear. 暴露 暴露beˈtrayal noun 背叛 背叛beˈtrayer noun 叛徒 背叛者