unionism JUST WRITTEN FOR YOU

/ˈjuː.njən.ɪzəm/ · u·ni·on·ism
noun
  1. The support of or advocacy for a union, especially a trade union. Her unionism was evident in her active participation in the teachers' union meetings.
  2. Support for the North (the Union) during the American Civil War. He was a staunch unionist, refusing to enlist for the Confederacy.
  3. Support for the continuance of the United Kingdom, particularly regarding Northern Ireland. His unionism guided his political career, campaigning for Northern Ireland to remain part of the UK.
Did you know? The term 'unionism' was first popularized in the 19th century to describe labor solidarity, but it later acquired distinct political meanings in both the United States during the Civil War and in the United Kingdom concerning Northern Ireland.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026