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collaborationist

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

noun

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


Other Word Forms

  • collaborationism noun
  • noncollaborationist noun

Etymology

Origin of collaborationist

First recorded in 1920–25; collaboration + -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Weirdly, he had persuaded Stein to translate the speeches of Philippe Pétain, the leader of the collaborationist Vichy regime.

From The Wall Street Journal • Nov. 14, 2025

Sarkozy is the first French ex-leader placed behind bars since World War Two Nazi collaborationist leader Philippe Pétain was jailed for treason in 1945.

From BBC • Nov. 10, 2025

Even François Mitterrand, who became French president during the 1980s, had a collaborationist past.

From Salon • Nov. 1, 2024

“Changing a name does not change the roots,” she said, adding when asked, “yes, also an inheritor of Petain,” referring to Marshall Philippe Petain, who headed the collaborationist Vichy government in WWII.

From Seattle Times • Nov. 9, 2023

Whether she’s a peacemaker or a collaborationist, a martyr or a patsy, remains one of the story’s provocative questions.

From New York Times • Jul. 7, 2022