To cooperate means to work together with others toward a shared goal. When you cooperate with your classmates on a group project, everyone contributes their ideas and effort instead of working alone or against each other. When siblings cooperate to clean their room, they divide up tasks and help each other finish faster.

Cooperation requires more than just being in the same place at the same time. It means actively helping, sharing information, and coordinating your actions with others. A soccer team cooperates when players pass the ball and position themselves to support each other. Scientists cooperate when they share their research findings so others can build on their discoveries.

Someone who cooperates is cooperative, while someone who refuses to help or deliberately makes things difficult is uncooperative. Teachers often ask students to cooperate with classroom rules or to cooperate with a substitute teacher.

Cooperation differs from competition, where people work against each other to win. But even competitors sometimes cooperate: rival companies might cooperate on safety standards, or opposing political parties might cooperate to pass important laws. The ability to cooperate, even with people you don't always agree with, makes difficult tasks possible and helps communities accomplish far more than any individual could alone.