[ yoon-yuh-nist ]

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

  2. a member of a trade union.

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

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

Origin of unionist

First recorded in 1790–1800; union + -ist

Other words from unionist

  • un·ion·is·tic, adjective
  • pro·un·ion·ist, adjective, noun

Words Nearby unionist

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use unionist in a sentence

  • It's a fact that the Tory total figures out much larger than the Liberal unionist.

  • However, the unionist Government had decided on their policy, which they were determined to carry through.

    Is Ulster Right? | Anonymous
  • He was now in the comfortable position of a non-unionist in a union shed who had jumped into a sacked man's place.

    Over the Sliprails | Henry Lawson
  • For let any unionist glance round the world outside the British Empire.

    Home Rule | Harold Spender

British Dictionary definitions for unionist (1 of 2)


/ (ˈjuːnjənɪst) /

  1. a supporter or advocate of unionism or union

  2. a member of a trade union

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

Derived forms of unionist

  • unionistic, adjective

British Dictionary definitions for Unionist (2 of 2)


/ (ˈjuːnjənɪst) /

  1. (sometimes not capital)

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

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

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

  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