trai·tor

(trā′tər)

One who betrays one's country, a cause, or a trust, especially one who commits treason.

[Middle English, from Old French, from Latin trāditor, from trāditus, past participle of trādere, to betray; see tradition.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

traitor

(ˈtreɪtə)

a person who is guilty of treason or treachery, in betraying friends, country, a cause or trust, etc

[C13: from Old French traitour, from Latin trāditor traditor]

ˈtraitorous adj

ˈtraitorously adv

ˈtraitorˌship n

ˈtraitress fem n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

trai•tor

(ˈtreɪ tər)

n.

1. a person who betrays another, a cause, or any trust.

2. a person who commits treason by betraying his or her country.

[1175–1225; Middle English < Old French < Latin trāditōrem, acc. of trāditor=trādi-, variant s. of trādere (see tradition) + -tor -tor]

trai′tor•ship`, n.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	traitor - someone who betrays his country by committing treason treasonist collaborationist, quisling, collaborator - someone who collaborates with an enemy occupying force criminal, crook, felon, malefactor, outlaw - someone who has committed a crime or has been legally convicted of a crime fifth columnist, saboteur - a member of a clandestine subversive organization who tries to help a potential invader traitress - female traitor
	2.	traitor - a person who says one thing and does another double-crosser, double-dealer, two-timer, betrayer beguiler, cheater, deceiver, trickster, slicker, cheat - someone who leads you to believe something that is not true Judas - someone who betrays under the guise of friendship

traitor

noun betrayer, deserter, turncoat, deceiver, informer, renegade, defector, Judas, double-crosser (informal), quisling, apostate, miscreant, fifth columnist, snake in the grass (informal), back-stabber Some say he's a traitor to the working class.
supporter, defender, loyalist, patriot

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

traitor

noun

One who betrays:

betrayer, double-crosser, Judas.

Informal: rat.

Translations

خائِن

zrádce-kyně

forræder

Verräter

προδότης δοσίλογος

traidor

kavaltajamaanpetturipetollinenpettääpetturi

traitre traître trahir

izdajnicaizdajnik

svikari; landráîamaîur

traditore

売国奴裏切り者非国民

nodevējs

verraadsterverraden verrader verraderlijkverraderlijke

traidor

предатель

izdajalecizdajalka

förrädarelandsförrädarequisling

vatan haini

叛徒

traitor

[ˈtreɪtəʳ] N → traidor(a) m/f
to be a traitor to one's country → traicionar a la patria
to turn traitor → volverse traidor

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

traitor

[ˈtreɪtə^r] n → traître m

traitor

n → Verräter(in) m(f); to be a traitor to one’s country → sein Vaterland verraten; to turn traitor → zum Verräter werden

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

traitor

[ˈtreɪtəʳ] n → traditore/trice
to turn traitor → passare al nemico

traitor

(ˈtreitə) noun

a person who changes to the enemy's side or gives away information to the enemy. He was a traitor to his country.