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unionist

American  
[yoon-yuh-nist] / ˈjun jə nɪst /

noun

  1. a person whose activities or beliefs are characterized by unionism.

  2. a member of a trade union.

  3. (initial capital letter) a supporter of the federal union of the United States of America, especially during the Civil War.

  4. British Politics. (formerly) an upholder of the legislative union of Great Britain and Northern Ireland.


Unionist 1 British  
/ ˈjuːnjənɪst /

noun

  1. (sometimes not capital)

    1. (before 1920) a supporter of the union of all Ireland and Great Britain

    2. (since 1920) a supporter of union between Britain and Northern Ireland

  2. a supporter of the US federal Union, esp during the Civil War

"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

adjective

  1. of, resembling, or relating to Unionists

"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
unionist 2 British  
/ ˈjuːnjənɪst /

noun

  1. a supporter or advocate of unionism or union

  2. a member of a trade union

"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

adjective

  1. of or relating to union or unionism, esp trade unionism

"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

Other Word Forms

Etymology

Origin of unionist

First recorded in 1790–1800; union + -ist

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:

Bonfires are lit annually in some unionist areas across Northern Ireland in July to usher in the Twelfth of July, the main date in the parading season.

From BBC Jul. 9, 2026

About 200 people gathered near Newtownards Road, a unionist area on the edge of Belfast city centre.

From BBC Jun. 10, 2026

Lockhart wrote that she was in Scarva alongside other unionist representatives and community leaders.

From BBC Jun. 7, 2026

So-called peace lines separate some nationalist Catholic and unionist Protestant areas of the city.

From BBC May 12, 2026

Ray was a staunch trade unionist, a member of the Cape executive and the Communist Party, and the first ANC leader to be arrested in the Defiance Campaign.

From "Long Walk to Freedom" by Nelson Mandela

Ulster Unionist Party leader Jon Burrows said the entire town was devastated and police should be given "patience and time" to complete their investigation.

From BBC Jul. 14, 2026

Doug Beattie has said he is "saddened and a little bit angry" after quitting the Ulster Unionist Party.

From BBC Jun. 1, 2026

It is understood that ministers will discuss a plan from Democratic Unionist Party Communities Minister Gordon Lyons, which aims to allocate £17m in home heating oil support for households in Northern Ireland.

From BBC Apr. 16, 2026

Unionist Yao Yao said however that some farmers "still haven't received any money".

From Barron's Mar. 4, 2026

Mudd solved his problem by sending his cousin George, a loyal Unionist and therefore above suspicion by the federal authorities, to town to report Booth’s visit to Mudd’s farm.

From "Chasing Lincoln's Killer" by James L. Swanson

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