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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.

Showjumper Katie Simpson, 21, died six days after being admitted to hospital in Londonderry in 2020.

From BBC • May 5, 2026

The video was shared on Tuesday and shows soldiers entering the Bogside area of Londonderry on 30 January 1972.

From BBC • May 1, 2026

It is not yet clear which areas of the university, which has campuses in Belfast, Londonderry and Coleraine as well as a campus in Qatar, will be affected.

From BBC • Apr. 15, 2026

Hollybush Primary School in Londonderry has introduced a smartphone charter where parents voluntarily enter into a written agreement not to buy their child a device until after they finish primary seven.

From BBC • Apr. 3, 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