constitution | Definition

Doc's CJ Glossary by Adam J. McKee
Course: Introduction

A constitution is a fundamental legal document that outlines the principles, structures, and rules for governing a nation or state.


A constitution is a fundamental legal document that outlines the principles, structures, and rules for governing a nation or state. Constitutions provide a framework for political power and establish the basic principles by which a government operates.

The first modern one is widely considered to be the United States Constitution, which was adopted in 1787. The U.S. Constitution is a written document that outlines the structure of the federal government, establishes the powers of each branch of government, and provides a set of basic rights and freedoms for citizens. It has served as a model for many other constitutions around the world.

Constitutions typically include a preamble that outlines the goals and values of the government, followed by a series of articles that detail the powers and responsibilities of each branch of government. These articles may cover topics such as the election of officials, the role of the judiciary, and the protection of individual rights.

One of the key functions is to establish the structure of government. This includes the separation of powers between different branches of government, such as the executive, legislative, and judicial branches. Constitutions may also establish a system of checks and balances that ensures that no one branch of government becomes too powerful.

Another important function of a constitution is to establish the basic rights and freedoms of citizens. These may include freedoms of speech, religion, and assembly, as well as protections against discrimination and arbitrary arrest. These rights are typically enshrined in a bill of rights, which is a separate section of the constitution that outlines these protections.

While constitutions are often seen as fundamental documents that establish the framework for government, they can also be amended or revised over time. This may be done through a formal amendment process, which requires a certain level of consensus among lawmakers or citizens. In some cases, constitutions may be replaced entirely through a process of constitutional reform or revolution.


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Last Modified: 04/05/2023

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