IPA: /ˈkwɪz.lɪŋ/
KK: /ˈkwɪz.lɪŋ/
A person who betrays their own country by helping an enemy, often acting as a collaborator or traitor.
During the war, he was labeled a quisling for assisting the invading forces.
Quisling originates from the name of Vidkun Quisling, a Norwegian politician who collaborated with the Nazis during World War II. The term has since come to mean a traitor or someone who betrays their own country by aiding an invading enemy.
Think of Vidkun Quisling, who betrayed his own country, to remember that a 'quisling' refers to someone who is a traitor or collaborator.