collaborator

noun

col·​lab·​o·​ra·​tor kə-ˈla-bə-ˌrā-tər 

: a person who collaborates with another: such as

a

: someone who works with another person or group

With our students and collaborators, we have developed … a tool that couples a video camera with specialized computation.

—Frédo Durand et al.

b

: someone who assists an enemy (such as an invader or part of an occupying force)

… the Germans had allies and collaborators who, whether from conviction or perceived necessity, sought a privileged place in Hitler's New Order.

—Robert Skidelsky

Examples of collaborator in a Sentence

Recent Examples on the Web

The first of the pair, Fifty Shades Darker, was directed by the late James Foley, the former Madonna collaborator and Glengarry Glen Ross (1992) director. —Allison Degrushe, Entertainment Weekly, 1 Oct. 2025

Trier worked with many previous collaborators on this film, including best friend and co-writer Eskil Vogt. —Vincent Perella, IndieWire, 1 Oct. 2025

Naleway and his collaborators now see them as a frontier for structural and biomedical innovation. —Neetika Walter, Interesting Engineering, 1 Oct. 2025

For the past seven seasons, Baldelli served as Falvey’s manager and collaborator. —Aaron Gleeman, New York Times, 1 Oct. 2025

Word History

First Known Use

1802, in the meaning defined above

Rhymes for collaborator

• accelerator
• accumulator
• adjudicator
• administrator
• appropriator
• articulator
• attenuator
• bronchodilator
• communicator
• conciliator
• cooperator
• coordinator