London
Americannoun
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Jack, 1876–1916, U.S. short-story writer and novelist.
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a metropolis in SE England, on the Thames: capital of the United Kingdom.
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City of, an old city in the central part of the former county of London: the ancient nucleus of the modern metropolis. 1 sq. mi. (3 sq. km).
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County of, a former administrative county comprising the City of London and 28 metropolitan boroughs, now part of Greater London.
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Greater. Also Greater London Council. an urban area comprising the city of London and 32 metropolitan boroughs. 609 sq. mi. (1,575 sq. km).
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a city in S Ontario, in SE Canada.
noun
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Latin name: Londinium. the capital of the United Kingdom, a port in S England on the River Thames near its estuary on the North Sea: consists of the City (the financial quarter), the West End (the entertainment and major shopping centre), the East End (the industrial and former dock area), and extensive suburbs See also City
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the administrative area of London, consisting of the City of London and 32 boroughs (13 Inner London boroughs and 19 Outer London boroughs): formed in 1965 from the City, parts of Surrey, Kent, Essex, and Hertfordshire, and almost all of Middlesex, and abolished for administrative purposes in 1996: a Mayor of London and a new London Assembly took office in 2000. Pop: 7 387 900 (2003 est). Area: 1579 sq km (610 sq miles)
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a city in SE Canada, in SE Ontario on the Thames River: University of Western Ontario (1878). Pop: 337 318 (2001)
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slang it is certain
noun
Discover More
London is the home of Westminster Abbey, Hyde Park, Buckingham Palace, Big Ben, the Tower of London, and the University of London.
Many buildings of central London were destroyed or damaged in air raids, called the Blitz (short for blitzkrieg), during World War II.
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.
"What better way to do that when, in November of last year, I came up with the idea to put a household appliance on my back and run the London Marathon."
From BBC • Apr. 27, 2026
U.S.-listed shares of Adidas climbed 0.9% after Kenya’s Sabastian Sawe won the London Marathon, becoming the first competitive runner ever to complete the race in under two hours.
From Barron's • Apr. 27, 2026
Sabastian Sawe wasn’t the only winner Sunday when he became the first person to run a marathon in under two hours in a legal race, demolishing the world record at the London Marathon.
From Los Angeles Times • Apr. 27, 2026
With London shows next, Wetmore said UK crowds have left a lasting impression, even if his sightseeing has been limited.
From BBC • Apr. 27, 2026
“Now, what brings you lot down here? This isn’t the nicest neighborhood in London, you know. You’d best be on your way home, if you don’t mind me telling you what to do.”
From "The Hidden Gallery" by Maryrose Wood
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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.