To decentralize means to spread power, control, or operations away from a single central authority and distribute them among multiple places or people. Instead of having one person or place make all the decisions, a decentralized system gives authority to many different locations or groups.

Think about how your school might work. In a completely centralized system, the principal would make every single decision: what time each class starts, which books every teacher uses, what's served for lunch each day. That would be exhausting and inefficient! Instead, schools decentralize many decisions. Individual teachers choose how to teach their lessons, the cafeteria manager handles food choices, and department heads make decisions for their subjects. The principal still oversees everything, but the actual work is decentralized across many people.

Countries decentralize power too. In the United States, the federal government in Washington doesn't control everything. States run their own schools, build their own roads, and create many of their own laws. Cities and towns have even more local control. This decentralization means decisions get made by people closer to the problems they're solving.

The opposite of decentralize is centralize, meaning to gather control in one place. Companies often debate whether to centralize decisions at headquarters or decentralize them to local managers. Both approaches have advantages: centralization can be more efficient and consistent, while decentralization allows faster responses to local needs and gives more people meaningful responsibility.