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, -ɪtʃ, ˈɡrɛn- /

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:

Also on its front page, plans to set a "Greenwich Moon Time" come amid world powers' "lunar ambitions".

From BBC Aug. 22, 2026

Bigelow, a Greenwich Village pharmacy that made the plastic headbands Bessette was so fond of, reported a 500% sales increase since 2023, and Selima Optique have rereleased the style Bessette wore because of popular demand.

From Los Angeles Times Aug. 19, 2026

Erin Oveissi, a fashion consultant in Greenwich, Conn., realized her younger daughter had camp then.

From The Wall Street Journal Aug. 15, 2026

The UK's next total solar eclipse will not happen until 2090, according to Royal Museums Greenwich, external.

From BBC Aug. 11, 2026

“It’s eight-thirty here. That means it’s already early Saturday morning in London. Summerhill offices are closed until nine A.M. Monday, Greenwich Mean Time.”

From "Silent To The Bone" by E.L. Konigsburg

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training