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unionist

American  
[yoon-yuh-nist] / ˈyun yə 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

Derived 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.

It said that the language has often been "framed as an 'imposition' on the unionist community".

From BBC • May 8, 2026

The power-sharing agreement between the nationalist and unionist communities in Northern Ireland is also key.

From BBC • Apr. 21, 2026

Next he directed the National League’s fight against the Players’ League, a short-lived unionist outfit that arose in 1890 after a dispute over compensation.

From The Wall Street Journal • Apr. 9, 2026

Trade unionist Yao Yao, based in the western city of Duekoue, voiced disappointment the state was not doing more to offset "such a dizzying drop".

From Barron's • Mar. 4, 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

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