Dictionary.com
Thesaurus.com
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

Dan Martinez, co-operator of the coffeehouse, advised a Free Press reporter to wear a helmet when walking in the alley.

From Washington Times • Oct. 2, 2014

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

From Economist • Oct. 2, 2014

You cannot get the fields tilled today until the farmer becomes a co-operator.

From Bernard Shaw's Preface to Androcles and the Lion by Shaw, Bernard