Dictionary.com
Thesaurus.com

London

American  
[luhn-duhn] / ˈlʌn dən /

noun

  1. Jack, 1876–1916, U.S. short-story writer and novelist.

  2. a metropolis in SE England, on the Thames: capital of the United Kingdom.

  3. 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).

  4. County of, a former administrative county comprising the City of London and 28 metropolitan boroughs, now part of Greater London.

  5. Greater. Also Greater London Council. an urban area comprising the city of London and 32 metropolitan boroughs. 609 sq. mi. (1,575 sq. km).

  6. a city in S Ontario, in SE Canada.


London 1 British  
/ ˈlʌndən /

noun

  1. 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

  2. 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)

  3. a city in SE Canada, in SE Ontario on the Thames River: University of Western Ontario (1878). Pop: 337 318 (2001)

  4. slang it is certain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

London 2 British  
/ ˈlʌndən /

noun

  1. Jack, full name John Griffith London. 1876–1916, US novelist, short-story writer, and adventurer. His works include Call of the Wild (1903), The Sea Wolf (1904), The Iron Heel (1907), and the semiautobiographical John Barleycorn (1913)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

London Cultural  
  1. Capital of Britain, located in southeastern England on both sides of the Thames River; officially called Greater London; a financial, commercial, industrial, and cultural center and one of the world's greatest ports.


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