Quisling /ˈkwɪz.lɪŋ/ noun [ C ] (sotqin, xiyonatkor) someone who secretly helps an enemy or opponent. Ex: From Vidkun Quisling, a Norwegian politician who helped the Nazis to take control of Norway during the Second World War. https://t.me/A_word_of_the_day 41 viewsedited 09:11