commonwealth
Americannoun
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(initial capital letter) a group of sovereign states and their dependencies associated by their own choice and linked with common objectives and interests.
the British Commonwealth.
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the Commonwealth. Commonwealth of Nations.
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(initial capital letter) a federation of states.
the Commonwealth of Australia.
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(initial capital letter) a self-governing territory associated with the U.S.: official designation of Puerto Rico.
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(initial capital letter) the English government from the abolition of the monarchy in 1649 until the establishment of the Protectorate in 1653, sometimes extended to include the restoration of Charles II in 1660.
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(initial capital letter) the official designation (rather than “State”) of four states of the U.S.: Kentucky, Massachusetts, Pennsylvania, and Virginia.
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any group of persons united by some common interest.
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the whole body of people of a nation or state; the body politic.
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a state in which the supreme power is held by the people; a republican or democratic state.
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Obsolete. the public welfare.
noun
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Official name: the Commonwealth of Nations. an association of sovereign states, almost all of which were at some time dependencies of the UK. All member states recognize the reigning British sovereign as Head of the Commonwealth
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the republic that existed in Britain from 1649 to 1660
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the part of this period up to 1653, when Cromwell became Protector
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the official designation of Australia, four states of the US (Kentucky, Massachusetts, Pennsylvania, and Virginia), and Puerto Rico
noun
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the people of a state or nation viewed politically; body politic
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a state or nation in which the people possess sovereignty; republic
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the body politic organized for the general good
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a group of persons united by some common interest
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obsolete the general good; public welfare
Etymology
Origin of commonwealth
First recorded in 1375–1425; late Middle English commun welthe; equivalent to common ( def. ) + wealth ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Northern Virginia Community College, the largest workforce provider in the commonwealth, offers programs in automotive technology, HVAC, welding, mechatronics, cybersecurity, data-center operations and healthcare, among others.
From The Wall Street Journal • Nov. 21, 2025
The downturn is impacting different parts of the commonwealth, including Bardstown, Ky., a city of about 13,500 people south of Louisville.
From The Wall Street Journal • Oct. 6, 2025
EDT Saturday in the commonwealth of bourbon and horse racing.
From Los Angeles Times • May 3, 2025
Before the statement was released, the leaders' conclave – where commonwealth prime ministers and presidents meet without advisers – went on for about six hours.
From BBC • Oct. 26, 2024
He resigned his royal power and organized a commonwealth, building a council hall where the citizens should gather and vote.
From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.