Simple Definition of traitor
: a person who is not loyal to his or her own country, friends, etc. : a person who betrays a country or group of people by helping or supporting an enemy
Full Definition of traitor
1 : one who betrays another's trust or is false to an obligation or duty
2 : one who commits treason
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.
Origin of traitor
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
TRAITOR Defined for Kids
Definition of traitor for Students
1 : a person who is not loyal or true to a friend, duty, cause, or belief or is false to a personal duty
2 : a person who betrays his or her country : a person who commits treason
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