Dictionary.com
Thesaurus.com

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.

See Examples For:

St. Patrick offered evocative details of slaving and missionary work in the lands around the Irish Sea.

From The Wall Street Journal Jul. 7, 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

The Irish authorities tracked the MV Matthew and the Castlemore over the next two days, as the two vessels attempted, but failed, to rendezvous in the Irish Sea during storms.

From BBC Sep. 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

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training