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

They thanked their collaborators on the project.

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

Over the weekend, a set of shows with frequent collaborator CAPYAC, a surrealist electronic dance band, was canceled in Bristol with no acknowledgment from the venue or any of the parties. — Cheyenne Roundtree, Rolling Stone, 24 Aug. 2026

That could mean that her new hire—who readily named strong collaborators and delighted in finding ways to help clients and colleagues understand complex analytics—might be thriving and the team’s culture could finally be rebuilding. — Harvard Business Review, 24 Aug. 2026

The Spanish-language film stars Oscar winner Javier Bardem opposite recent Pedro Almodóvar collaborator Victoria Luengo in performances that drew widespread acclaim in Cannes. — Andreas Wiseman, Deadline, 24 Aug. 2026

For his part, Kavanaugh-Jones paid tribute to another of his longtime collaborators, Fred Berger. — Etan Vlessing, HollywoodReporter, 24 Aug. 2026

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