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Irish Sea

American  

noun

  1. a part of the Atlantic Ocean between Ireland and England.


Irish Sea British  

noun

  1. an arm of the North Atlantic Ocean between Great Britain and Ireland

"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.

However, conditions will turn a little cooler in western Scotland, Northern Ireland and Irish Sea coasts with more cloud and rain moving in later in the afternoon.

From BBC • Apr. 6, 2026

It may be a bit more of a struggle for some Irish Sea coasts where fog could linger into Saturday afternoon.

From BBC • Mar. 20, 2026

Stretching east to west from the North Sea to the Irish Sea, Hadrian's Wall featured a series of forts and towers placed at regular intervals.

From Science Daily • Dec. 21, 2025

The strongest winds will be around Irish Sea coasts and up to the north-west of Scotland where severe gales are possible later on Tuesday.

From BBC • Dec. 8, 2025

“Loads. Whole Irish Sea was rotten with German subs. Wager you’d have half a navy on your hands if you could unsink all the ships they torpedoed.”

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

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