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1
: one who betrays another's trust or is false to an obligation or duty
2
: one who commits treason
Synonyms
Examples of traitor in a Sentence
She has been called a traitor to the liberal party's cause.
He was a traitor who betrayed his country by selling military secrets to the enemy.
Recent Examples on the Web
Gabbard repeatedly refused to call Snowden a traitor at the hearing.
—
Justin Green, Axios, 4 Feb. 2025
Anyone who refuses to label a traitor to the U.S. as a traitor is completely unqualified to lead our intelligence community.
—
David Faris, Newsweek, 2 Feb. 2025
Multiple Republican senators pressed Gabbard on her position, saying Snowden was a traitor who undermined U.S. national security and not, as Gabbard has claimed in the past, a patriotic whistleblower.
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Aysha Bagchi, USA TODAY, 31 Jan. 2025
Multiple senators pressed Gabbard to call Snowden a traitor.
—
Brian Bennett, TIME, 30 Jan. 2025
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Word History
Etymology
Middle English traytour, from Anglo-French traitre, from Latin traditor, from tradere to hand over, deliver, betray, from trans-, tra- trans- + dare to give — more at date
First Known Use
13th century, in the meaning defined at sense 1
Time Traveler
The first known use of traitor was
in the 13th century
Phrases Containing traitor
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Cite this Entry
“Traitor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traitor. Accessed 16 Feb. 2025.
Kids Definition
traitor
noun
trai·tor
ˈtrāt-ər
1
: one who betrays another's trust or is false to an obligation or duty
2
: one who commits treason
More from Merriam-Webster on traitor
Nglish: Translation of traitor for Spanish Speakers
Britannica English: Translation of traitor for Arabic Speakers
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