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co-operator
Derived word form of cooperate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Authorities described Gursewak Singh Bal, 31, of Mississauga, Ontario, Canada, as the co-founder and co-operator of a website called “The Dirty News,” described in the indictment as “an urban news outlet.”

From Los Angeles Times • Nov. 19, 2025

The chef and co-operator behind Tesla Diner, one of the city’s most notable and polarizing new restaurants, is exiting the project.

From Los Angeles Times • Nov. 18, 2025

Schriver was listed in official documents as the co-owner and co-operator of Memorial Mortuary & Crematory along with his brother, George, when police executed the search warrant in April.

From Washington Times • Sep. 7, 2016

It is not unusual for a co-operator to have 15 or 20 long meetings with agents and prosecutors.

From Economist • Oct. 2, 2014

I fear that some of our so-called co-operation in public work of many kinds is little more than to allow the co-operator to approve what the official administration has done.

From The Holy Earth by Bailey, L. H. (Liberty Hyde)