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Anglesey

American

[ang-guhl-see] / ˈæŋ gəl si /

noun

an island and county in northwestern Wales. 276 sq. mi. (714 sq. km).

Anglesey British

/ ˈæŋɡəlsɪ /

noun

Welsh name: Ynys Môn. an island and county of N Wales, formerly part of Gwynedd (1974–96), separated from the mainland by the Menai Strait. Administrative centre: Llangefni. Pop: 59 500 (2003 est). Area: 720 sq km (278 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

Etymology

Origin of Anglesey

Possibly from Old Norse Ǫngullsey “Hook Island,” or Old Norse Ǫnglisey “Ǫngli's Island”

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.

He spent his earliest years in Meirionnydd before moving to the island of Anglesey - Ynys Môn in Welsh - at the age of five.

From BBC • May 8, 2026

Changing policies has not been an exclusively positive experience, and one Anglesey head teacher said enforcing a stricter policy "requires a level of time and emotional energy that's exhausting for staff".

From BBC • Apr. 13, 2026

Ministers have chosen Wylfa on Anglesey as the site after signing a £2.5bn partnership with Rolls-Royce to build it last year.

From BBC • Apr. 13, 2026

Nia Rhys Jones from Anglesey has worked in the tourism sector for more than 30 years and said Easter is an important period marking the official start of the holiday season.

From BBC • Apr. 5, 2026

At last, Dad swayed up to Anglesey, raised his left hand 'cause his right was so busted, and did this...”

From "Black Swan Green" by David Mitchell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023