• WordNet 3.6
    • n traitor a person who says one thing and does another
    • n traitor someone who betrays his country by committing treason
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The word quisling comes from the name of Major Vidkun Quisling, a Norwegian who collaborated with the Germans during their occupation of Norway. The word now means "traitor."
    • Traitor Hence, one who betrays any confidence or trust; a betrayer. "This false traitor death."
    • Traitor One who violates his allegiance and betrays his country; one guilty of treason; one who, in breach of trust, delivers his country to an enemy, or yields up any fort or place intrusted to his defense, or surrenders an army or body of troops to the enemy, unless when vanquished; also, one who takes arms and levies war against his country; or one who aids an enemy in conquering his country. See Treason. "O passing traitor , perjured and unjust!"
    • v. t Traitor To act the traitor toward; to betray; to deceive. "But time, it traitors me."
    • a Traitor Traitorous.
    • ***
Century Dictionary and Cyclopedia
    • n traitor One who violates his allegiance and betrays his country; one who is guilty of treason. See treason.
    • n traitor One who betrays any trust; a person guilty of perfidy or treachery; one who violates confidence reposed in him.
    • n traitor Synonyms Rebel, etc. See insurgent.
    • traitor Of or pertaining to a traitor; traitorous.
    • traitor To act the traitor toward; betray.
    • ***
Chambers's Twentieth Century Dictionary
    • n Traitor trā′tur one who, being trusted, betrays: one guilty of treason: a deceiver
    • ***


  • William Shakespeare
    “Our doubts are traitors and make us lose the good we might win, by fearing to attempt.[Measure For Measure]”
  • Abraham Lincoln
    “A jury too often has at least one member more ready to hang the panel than to hang the traitor.”
  • Theodore Roosevelt
    “The pacifist is as surely a traitor to his country and to humanity as is the most brutal wrongdoer.”
  • John Selden
    “'Tis not seasonable to call a man traitor, that has an army at his heels.”
  • Wendell Phillips
    “Write on my gravestone: Infidel, Traitor.--infidel to every church that compromises with wrong; traitor to every government that oppresses the people.”
  • William Shakespeare
    “Men's vows are women's traitors!”


Webster's Revised Unabridged Dictionary
OE. traitour, OF. traïtor, traïteur, F. treître, L. traditor, fr. tradere, traditum, to deliver, to give up or surrender treacherously, to betray; trans, across, over + dare, to give. See Date time, and cf. Betray,Tradition Traditor Treason
Chambers's Twentieth Century Dictionary
Fr. traître—L. traditortradĕre, to give up.


In literature:

The king demands your fellow-traitor's sword.
"The Works of Lord Byron" by Lord Byron
The generals of this force were Da'tis and Ar-ta-pher'-nes, who were guided and advised by the traitor Hippias.
"The Story of the Greeks" by H. A. Guerber
A traitor he who would deceive you now.
"La Chanson de Roland" by Léon Gautier
The traitor Thou wilt punish in Thy wrath O God!
"The Continental Monthly, Vol. 6, No. 6, December 1864" by Various
There was what they called a traitor on the New York, the Yankee's flagship.
"A Prisoner of Morro" by Upton Sinclair
A common traitor who died upon the cross.
""Unto Caesar"" by Baroness Emmuska Orczy
I am now made an enemy and traitor by the word of an unworthy man.
"Sir Walter Ralegh" by William Stebbing
The traitorous first officer has spoken truly: the captain is asleep; they have the ship to themselves!
"The Flag of Distress" by Mayne Reid
The king looked down at the guilty traitor; the traitor hung his head.
"Wood Magic" by Richard Jefferies
And now the traitor sought his reward.
"Historic Tales, Vol. 8 (of 15)" by Charles Morris

In poetry:

The gates they were opent,
they let him come in,
But fause traitor Huntly,
he did him great harm.
"The Bonnie Earl Moray" by Andrew Lang
Who will be a traitor knave?
Who will fill a drunkard's grave?
Who so base as be a slave?
Do not turn and flee!
"Address To Washingtonians" by John Pierpont
He wrang his hands, he rent his hair,
And wept in teenefu' muid:
"O traitors! for this cruel deed
Ye sall weep tears o' bluid!"
"Edom O'Gordon" by Henry Morley
She weened it had been her luvely lord,
As he came riding hame;
It was the traitor Edom o' Gordon,
Wha recked nae sin nor shame.
"Edom O'Gordon" by Henry Morley
Fled the traitor, pulses beating,
Not with love, but craven fear;
And the beggar found the treasure
That to noble hearts is dear.
"Colhorn" by John Douglas Sutherland Campbell
She went her way o'er the silent meadows,
(Ah, traitorous heart that you tricked me so!)
I sat alone in the deepening shadows--
Love had passed by--and I did not know.
"When Love Passed" by Leigh Gordon Giltner

In news:

New migratory laws have now made it possible for high-profile defectors considered deserters or traitors to return to the homeland they abandoned.
The 33-year-old confessed killer has said the attacks were justified because his victims were traitors for embracing multiculturalism.
She is Haley's lover and his traitor too.
I feel like he's a traitor.
Can a deserter, a seeming traitor and a star in a propaganda film produced by a Communist dictatorship also be, in the end, an American patriot.
Reviewer Says "Traitors" Rewarding, Though Not Easy.
Reviewer Says "Traitors" Rewarding , Though Not Easy.
Is 'Our Kind of Traitor' Next for Mads Mikkelsen.
A satisfyingly little thriller in danger of getting lost at the multiplex, Traitor works better if you haven't seen the TV spots.
Not a traitor to his class.
The Secret Search for Traitors that Shattered the CIA by David Wise.
SONY PICTURES Daniel Craig stars as James Bond 007 in pursuit of an Mi6 traitor in a scene from "Quantum of Solace".
" Traitor " is the kind of movie that makes you think a little about serious things.
Is Chris Christie a GOP Traitor for His Obama Hurricane Praise.
Newsome no traitor in these fans' eyes.

In science:

Kabatiansky, “Digital fingerprinting codes: problem statements, constructions, identification of traitors,” IEEE Trans.
Semi-Quantitative Group Testing: a General Paradigm with Applications in Genotyping