plural traitors
: 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
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.
He turned traitor. [=he became a traitor; he betrayed his country/friends]
Cite this Entry
“Traitor.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/traitor. Accessed 21 Jun. 2026.
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