collaborator

[kuh-lab-uh-rey-ter]

noun

1. a person who works or cooperates with another on something; a coauthor, coproducer, etc..

   She is currently at work on a new recording project with longtime collaborator Greg Timson.

2. a person who cooperates with an enemy nation or force, especially with an enemy occupying one’s country.

   Her book gives a detailed account of postwar Poland’s legal retribution against its Nazi collaborators.

Word History and Origins

Origin of collaborator¹

First recorded in 1800–10; from French collaborateur, equivalent to Late Latin collabōrāt(us) (past participle of collabōrāre ) + -or ² ( def. ); collaborate ( def. )

Example Sentences

The mobilisation order was reportedly issued via phone calls and text messages which said the aim was to "cleanse Gaza of outlaws and collaborators with Israel" and told fighters to report within 24 hours.

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Betley, along with collaborators from the University of Pittsburgh and Scripps Research Institute, has discovered an important piece of the chronic pain puzzle.

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The voyage brings together many of the same researchers from the 2022 voyage, along with new collaborators and partners, to again turn wonder into discovery.

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Some insurers are already covering the home treatment, and the National Psoriasis Foundation, a collaborator on the study, is supporting expanded coverage.

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In general, the occupying German forces and their collaborators confiscated the furniture of deported Jews.

Read more on The Wall Street Journal

Related Words

• assistant 
• associate 
• co-worker 
• colleague