Dictionary.com
Thesaurus.com

Greenwich

American  
[grin-ij, -ich, gren-, gren-ich, grin-, green-wich] / ˈgrɪn ɪdʒ, -ɪtʃ, ˈgrɛn-, ˈgrɛn ɪtʃ, ˈgrɪn-, ˈgrin wɪtʃ /

noun

  1. a borough in SE London, England: located on the prime meridian from which geographic longitude is measured; formerly the site of the Royal Greenwich Observatory.

  2. a town in SW Connecticut.

  3. Informal. Greenwich Time.


Greenwich British  
/ ˈɡrɪnɪdʒ, ˈɡrɛn-, -ɪtʃ /

noun

  1. a Greater London borough on the Thames: site of a Royal Naval College (now used as the National Maritime Museum), including Inigo Jones’ Queen’s House (1617), and of the original Royal Observatory designed by Christopher Wren (1675), accepted internationally as the prime meridian of longitude since 1884, and the basis of Greenwich Mean Time; also site of the Millennium Dome. Pop: 223 700 (2003 est). Area: 46 sq km (18 sq miles)

"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

Greenwich Cultural  
  1. Part of metropolitan London, in southeastern England.


Discover More

The prime meridian, which is the meridian designated zero degrees longitude, runs through Greenwich; Greenwich Mean Time is the mean (usual) time in Greenwich. All other time is measured in relation to it.

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.

See Examples For:

Melvin West, 70, sliced the map from a 1684 atlas by Dutch cartographer Frederik de Wit while viewing it at the Caird Library, part of the National Maritime Museum in Greenwich, in February 2025.

From BBC ● Oct. 22, 2026

"It would be typically about 3 a.m. for me because the space station runs on Greenwich Mean Time," Thomas said.

From Science Daily ● Oct. 21, 2026

WSJ’s Annie Linskey: Greenwich, Conn., is a town that has been shorthand in political circles for one word: fundraising.

From The Wall Street Journal ● Oct. 20, 2026

Musician and actor Steven Van Zandt is ready to part with his Greenwich Village penthouse, hiking the price up to a cool $18,995,000 after initially listing it for $15 million in June of this year.

From MarketWatch ● Oct. 14, 2026

The date line was Greenwich, Connecticut, and it stated that two children of Mr. and Mrs. Steven C. Kincaid, Sr. had been missing since Wednesday.

From "From the Mixed-Up Files of Mrs. Basil E. Frankweiler" by E.L. Konigsburg

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com