collaborationist

[ kuh-lab-uh-rey-shuh-nist ]

noun

1. a person who collaborates with an enemy; collaborator.

Other Words From

• col·labo·ration·ism noun
• noncol·labo·ration·ist noun

Word History and Origins

Origin of collaborationist¹

First recorded in 1920–25; collaboration + -ist

Example Sentences

But was my grandfather really more appalled by this than he was by the crimes of the collaborationist art dealers?

From The Daily Beast

One was the relative autonomy that France had earned through its collaborationist government in Vichy.

From The Daily Beast