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

That air should be JR’s vital collaborator — no complex and costly scaffolding for these magic mountains — is nothing new in Paris. —Patt Morrison, Los Angeles Times, 20 June 2026

But inside a children's hospital in New York, the two nations met anyway—not as competitors, but as collaborators on a mission to help children facing illness feel, for a few hours, like champions themselves. —Mill Etienne, Forbes.com, 20 June 2026

Following the news, Burrows' collaborators paid tribute, including Will & Grace stars Debra Messing, Eric McCormack and Sean Hayes. —Charna Flam, PEOPLE, 20 June 2026

The news of Tay Keith‘s passing has sent a massive shockwave through the industry, leaving collaborators, fellow artists, and fans alike reacting to the unexpected loss. —Christine Imarenezor, VIBE.com, 19 June 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