United Kingdom

American  

noun

1. a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801–1922. 94,242 sq. mi. (244,100 sq. km). London. U.K.

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United Kingdom British  

noun

1.  UK.  a kingdom of NW Europe, consisting chiefly of the island of Great Britain together with Northern Ireland: became the world's leading colonial power in the 18th century; the first country to undergo the Industrial Revolution. It became the United Kingdom of Great Britain and Northern Ireland in 1921, after the rest of Ireland became autonomous as the Irish Free State. Primarily it is a trading nation, the chief exports being manufactured goods; joined the Common Market (now the European Union) in January 1973. Official language: English; Gaelic, Welsh, and other minority languages. Religion: Christian majority. Currency: pound sterling. Capital: London. Pop: 63 395 574 (2013 est). Area: 244 110 sq km (94 251 sq miles) See also Great Britain

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United Kingdom Cultural  

1. Part of the official name of the British nation; the full name is the United Kingdom of Great Britain and Northern Ireland. It includes England, Scotland, Wales, and six counties of Ireland, ruled by the king or queen of England, and represented in the nation's parliament.

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Compare meaning

How does united-kingdom compare to similar and commonly confused words? Explore the most common comparisons:

• Great Britain vs. United Kingdom

Example Sentences

Business is also growing in international markets including Mexico, Canada, Brazil, the United Kingdom and Latin America.

From The Wall Street Journal • Apr. 16, 2026

"The United Kingdom, is currently planning to give away the Island of Diego Garcia... for no reason whatsover," he said.

From Barron's • Apr. 11, 2026

To better understand these reactions, Wang's team, which includes researchers from six universities in the United States, China, and the United Kingdom, studied the isotopic makeup of chlorine, oxygen, and carbon produced by these discharges.

From Science Daily • Apr. 5, 2026

The pastor says the online audience typically comprises Persian speakers from roughly a dozen countries including Iran, Afghanistan, Turkey, Pakistan and the United Kingdom.

From Los Angeles Times • Apr. 4, 2026

Barack and I also made a last state visit to the United Kingdom together, which included a quick trip to see our friend the Queen.

From "Becoming" by Michelle Obama