cooperation

noun

co·​op·​er·​a·​tion (ˌ)kō-ˌä-pə-ˈrā-shən 

1

: the actions of someone who is being helpful by doing what is wanted or asked for : common effort

We are asking for your full cooperation.

2

: association of persons for common benefit

established trade and economic cooperations

cooperationist

(ˌ)kō-ˌä-pə-ˈrā-sh(ə-)nist 

noun

Synonyms

• affiliation
• alliance
• association
• collaboration
• confederation
• connection
• hookup
• liaison
• linkup
• partnership
• relation
• relationship
• tie-up
• union

Examples of cooperation in a Sentence

The report cited a lack of cooperation between state and local officials.

Thank you for your cooperation.

We are asking for your full cooperation.

Recent Examples on the Web

In Biden’s tenure, U.S. adversaries have grown increasingly brazen in their provocations and ramped up cooperation with each other. —Kori Schake, Foreign Affairs, 8 Nov. 2024

These group dynamics and cooperation efforts are part of what makes meerkats so intelligent. —Allison Futterman, Discover Magazine, 6 Nov. 2024

The key is to approach each new relationship with a spirit of cooperation while ensuring that your contributions are valued and that the partnership remains balanced over time. —Benjamin Laker, Forbes, 5 Nov. 2024

Liberation reported that a raid was also being conducted simultaneously in Netflix’s European HQ in the Netherlands, following months-long cooperation between French and Dutch investigators. —Melanie Goodfellow, Deadline, 5 Nov. 2024

Word History

Etymology

see cooperate

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

cooperation

noun

co·​op·​er·​a·​tion kō-ˌäp-ə-ˈrā-shən 

: the act or process of cooperating