Intermediate (B1)
IPA: /kəʊˌɒpəˈreɪʃən/
KK: /koʊˈɑːpəˌreɪʃən/
Definition
The act of working together with others to achieve a common goal or benefit.
Example
The success of the project depended on the cooperation of all team members.
Conversation

I think our project will really benefit from cooperation between the teams.

Absolutely! Working together will make things much easier.

Yeah, I believe that good cooperation can lead to better results.

For sure! It's great when everyone is on the same page.
Synonyms & Antonyms
Synonyms
collaboration
partnership
alliance
Antonyms
disagreement
conflict
opposition
Root Explanation
Cooperation → It is formed from "co-" (meaning together) and "operari" (meaning to work). The word describes the act of working together towards a common goal.
Memory Tip
Think of people 'together' ('co-') 'working' ('operari') to achieve something — that's what cooperation means.
Visually Confused Words
operation
coloration
ceration
copperization
reoperation
operational
corporation
cohortation