Search Dictionary
Definition of cooperate

cooperate

/koʊˈɑːpəˌɹeɪt/
(UK: co-operate)
co · op · er · ate
Adverb:cooperatively
•
Adjective:cooperative
•
Past Simple:cooperated
•
Past Participle:cooperated
•
Present Participle:cooperating
JUMP TO:

cooperate Lexical Profile

cooperate Game Scores & Validity

• verb

1

To work jointly or act together with another or others toward a shared goal or common purpose.

Example

"Scientists from several universities decided to cooperate on the climate research project."

2

To assist someone or comply willingly with a request, rule, or investigation.

Example

"The witness agreed to cooperate fully with the regulatory inquiry."

Synonyms
View all synonyms for cooperate
Antonyms
View all antonyms for cooperate

• Rhymes for cooperate

• Nearby Words

coop
cooper
cooper creek
cooperate
cooperation
cooperative
cooperatively

Word Origin & Etymology

Borrowed in the late 16th century from Late Latin cooperatus, the past participle of cooperari ('to work together'), formed from the prefix co- ('together') and operari ('to work'), from opus ('work').

Cite this Entry

Wordmom. (2026). Definition of Cooperate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cooperate
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.