cooperative
US /koʊˈɑː.pɚ.ə.t̬ɪv/
UK /koʊˈɑː.pɚ.ə.t̬ɪv/

1.
involving cooperation between people
:
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The project was a success due to the cooperative efforts of the team.
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We need a more cooperative approach to solve this problem.
2.
willing to help or do what is asked
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The child was very cooperative during the doctor's examination.
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The witness was not very cooperative with the police.
1.
a farm, business, or other organization that is owned and run jointly by its members, who share the profits or benefits
:
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They decided to form a housing cooperative to build affordable homes.
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The local farmers run a successful dairy cooperative.