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

Recently, Tasic, a neuroscientist and genomicist at the Allen Institute for Brain Science, and her collaborators recruited artificial intelligence for the sorting and mapmaking effort. —Amber Dance, Quanta Magazine, 9 Feb. 2026

Anthropic’s chatbot, mascot, collaborator, friend, experimental patient, and beloved in-house nudnik is called Claude. —Gideon Lewis-Kraus, New Yorker, 9 Feb. 2026

Director Paul Thomas Anderson and composer Jonny Greenwood, his frequent collaborator, issued a statement today decrying the Melania documentary’s use of the score from their movie Phantom Thread. —Jason P. Frank, Vulture, 9 Feb. 2026

Smythson is the latest in a long string of Sacai collaborators, which over the years have included Nike, Blazer, Moncler, Carhartt, Levi’s, The North Face, Dior and Cartier. —Samantha Conti, Footwear News, 9 Feb. 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