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British Isles

American  

plural noun

  1. a group of islands in W Europe: Great Britain, Ireland, the Isle of Man, and adjacent small islands. 120,592 sq. mi. (312,300 sq. km).


British Isles British  

plural noun

  1. a group of islands in W Europe, consisting of Great Britain, Ireland, the Isle of Man, Orkney, Shetland, the Channel Islands belonging to Great Britain, and the islands adjacent to these

"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

British Isles Cultural  
  1. The islands of Great Britain and Ireland and a number of smaller islands off their coasts.


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:

The third-largest Channel Island had some of the best views of the eclipse in the British Isles, despite some cloud cover.

From BBC Aug. 11, 2026

While the Isle of Man's Tynwald became the first parliament in the British Isles to agree a framework for assisted dying in March 2025, it has not yet been granted Royal Assent.

From BBC Jul. 9, 2026

Jersey's assisted dying law was passed in February and that was seen as a landmark moment, as it was the second place in the British Isles to approve an assisted dying law.

From BBC Jul. 9, 2026

Along my journey over my 30 years as a manager, I was made aware that this tradition was only really observed in the British Isles, and not in mainland Europe.

From BBC May 15, 2026

Michael Fish said the area of low pressure moving over the British Isles is coming from the Urals.

From "Black Swan Green" by David Mitchell

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