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Londonderry

American  
[luhn-duhn-der-ee] / ˈlʌn dənˌdɛr i /

noun

  1. a county in N Northern Ireland. 804 sq. mi. (2,082 sq. km).

  2. its county seat: a seaport.

  3. a town in SE New Hampshire.


Londonderry British  
/ ˈlʌndənˌdɛrɪ /

noun

  1. a historical county of NW Northern Ireland, on the Atlantic: in 1973 replaced for administrative purposes by the districts of Coleraine, Derry, Limavady, and Magherafelt. Area: 2108 sq km (814 sq miles)

  2. a port in N Northern Ireland, second city of Northern Ireland: given to the City of London in 1613 to be colonized by Londoners; besieged by James II's forces (1688–89). Pop: 83 699 (2001)

"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

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.

A leading member of the Indian community in Londonderry has said some health care professionals from overseas have told him they are now questioning whether they should have come to Northern Ireland at all.

From BBC • Jun. 12, 2026

Many of the protests, in areas such as Ballymena, Londonderry and Antrim, saw people peacefully block roads.

From BBC • Jun. 10, 2026

Katie, who was 21, died six days after being admitted to Altnagelvin Hospital in Londonderry in 2020.

From BBC • May 18, 2026

East Londonderry MLA Claire Sugden said she is "acutely concerned" about the impact of job losses on Coleraine.

From BBC • May 17, 2026

He felt the cobbles of Londonderry under his feet and the crush and gaiety of the one big city he had seen.

From "East of Eden" by John Steinbeck

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