- to work or act together or jointly for a common purpose or benefit.
- to work or act with another or other persons willingly and agreeably.
- to practice economic cooperation.
Origin of cooperate
SynonymsSee more synonyms for cooperate on Thesaurus.com
2. collaborate, join, participate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cooperator
“Investigators understood it as a way to order a hit on someone they believed was a cooperator,” said Barron.Vianna Roman, Alleged Queen of L.A.’s Harpys Gang
December 24, 2012
And then Lowell turned to the man he called the “cooperator”—Andrew Young.Jury Gets the Edwards Case: Deliberations to Begin Friday
May 18, 2012
- to work or act together
- to be of assistance or be willing to assist
- economics (of firms, workers, consumers, etc) to engage in economic cooperation
C17: from Late Latin cooperārī to work with, combine, from Latin operārī to work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for cooperator
also co-operate, c.1600, from Late Latin cooperatus, past participle of cooperari "to work together with" (see cooperation). Related: Cooperated; cooperating.
Online Etymology Dictionary, © 2010 Douglas Harper