collaborationist

[ kuh-lab-uh-rey-shuh-nist ]
/ kəˌlæb əˈreɪ ʃə nɪst /
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noun

a person who collaborates with an enemy; collaborator.

Origin of collaborationist

First recorded in 1920–25; collaboration + -ist
Related formscol·lab·o·ra·tion·ism, nounnon·col·lab·o·ra·tion·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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