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

The family has financed its racing, with occasional support from local teams and collaborators. —Los Angeles Times, 26 Jan. 2026

In response to Rosselló’s disregard for Puerto Rican citizens prior to the release of the chat, the feminist group La Colectiva Feminista en Construcción (known locally as La Cole) mobilized its members and their collaborators to spark the beginnings of these protests. —Julyssa Lopez, Rolling Stone, 26 Jan. 2026

Across two nights and four shows in LA, Duckwrth elevated the intimacy even further, bringing out collaborators like Jordan Ward, Tanerélle, and GAWD. —Desjah Altvater, Forbes.com, 26 Jan. 2026

Eilish's brother/collaborator Finneas, who has previously protested against ICE in Los Angeles, also spoke about the shootings in Minnesota in an Instagram post on Sunday. —Karen Cortes, NBC news, 26 Jan. 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