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  • Ulster
    Ulster
    noun
    a former province in Ireland, now comprising Northern Ireland and a part of the Republic of Ireland.
  • ulster
    ulster
    noun
    a man's heavy double-breasted overcoat with a belt or half-belt at the back
Synonyms

Ulster

American  
[uhl-ster] / ˈʌl stər /

noun

  1. a former province in Ireland, now comprising Northern Ireland and a part of the Republic of Ireland.

  2. a province in N Republic of Ireland. 3,123 sq. mi. (8,090 sq. km).

  3. Informal. Northern Ireland.

  4. (lowercase) a long, loose, heavy overcoat, originally of Irish frieze, now also of any of various other woolen cloths.


Ulster 1 British  
/ ˈʌlstə /

noun

  1. a province and former kingdom of N Ireland: passed to the English Crown in 1461; confiscated land given to English and Scottish Protestant settlers in the 17th century, giving rise to serious long-term conflict; partitioned in 1921, six counties forming Northern Ireland and three counties joining the Republic of Ireland. Pop (three Ulster counties of the Republic of Ireland): 46 714 (2002); (six Ulster counties of Northern Ireland): 1 702 628 (2003 est). Area (Republic of Ireland): 8013 sq km (3094 sq miles); (Northern Ireland): 14 121 sq km (5452 sq miles)

  2. an informal name for Northern 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

ulster 2 British  
/ ˈʌlstə /

noun

  1. a man's heavy double-breasted overcoat with a belt or half-belt at the back

"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

Ulster Cultural  
  1. A historic division of Ireland, located in the northeastern part of the island. Six of its nine counties are in Northern Ireland. (See Republic of Ireland.)


Other Word Forms

Etymology

Origin of ulster

C19: so called because it was first produced in Northern Ireland

Explanation

An ulster is a long coat that was commonly worn in Victorian Britain. The overcoat that Sherlock Holmes usually wears in photos, movies, and TV shows is a good example of an ulster. This long, sturdy coat often has an attached cape and a belt, although more modern versions tend to omit the cape. These days, you're most likely to get a glimpse of an ulster on a period drama, like the TV series Sherlock or a filmed version of a Charles Dickens novel. The ulster wasn't a dressy type of outerwear; it was meant for a working man. The word comes from the name of the Irish province, Ulster, where these coats were originally made.

Keep Reading on Vocabulary.com

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:

Sinn Féin MP John Finucane told BBC Radio Ulster's Good Morning Ulster programme the recent events have been "hugely damaging the community relations".

From BBC Aug. 28, 2026

This fall she starts as music director of the Ulster Orchestra, bringing innovation to techy Ireland.

From Los Angeles Times Aug. 27, 2026

A new health minister for Northern Ireland is expected to be announced later following the resignation of Ulster Unionist Mike Nesbitt from the post.

From BBC Aug. 20, 2026

Speaking to the BBC's Good Morning Ulster, Beattie said he was "pretty shocked" to learn of Nesbitt's resignation as health minister on Tuesday.

From BBC Aug. 20, 2026

As the country grew, some descendants of the first Ulster Scots settlers were able to gain entry to the ruling class.

From "An Indigenous People’s History of the United States" by Roxanne Dunbar-Ortiz

Square-jawed Stanley Baldwin in a billowing grey ulster and a bullet-hard bowler hat motored to Windsor Castle early last week to kiss the King's hand, resign as Prime Minister of Great Britain.

From Time Magazine Archive

A figure, muffled to the eyes in an ulster, slouched out of the blur.

From Time Magazine Archive

Moreover I have on my desk a Brooks Brothers catalog, put out in the spring of 1908, with a photograph of a camel's hair ulster as part of its regular ready-made stock.

From Time Magazine Archive

Despite the cluckings of his doctors, George V wrapped himself in a thick ulster and went down to cold, wet Newmarket Heath last week for the Cambridgeshire.

From Time Magazine Archive

It was Gatsby's father, a solemn old man very helpless and dismayed, bundled up in a long cheap ulster against the warm September day.

From " The Great Gatsby" by F. Scott Fitzgerald

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