federal
US /ˈfed.ɚ.əl/
UK /ˈfed.ɚ.əl/

1.
having a system of government in which several states form a unity but remain independent in internal affairs.
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The United States has a federal system of government.
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Germany is a federal republic.
2.
relating to the central government rather than to the government of a state or province.
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The federal government announced new economic policies.
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Federal law supersedes state law in many cases.