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• Sinn Fein
  Sinn Fein

  noun

  a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.
• Sinn Féin
  Sinn Féin

  noun

  an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

Sinn Fein

American  

[shin feyn] / ˈʃɪn ˈfeɪn /

noun

1. a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.

2. a member of this organization.

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Sinn Féin British  

/ ˈʃɪn ˈfeːn /

noun

1. an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

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Sinn Fein Cultural  

1. An Irish political party (in Gaelic it means “Ourselves Alone”) that has long combatted Great Britain's influence in Ireland and sought the unification of Northern Ireland with the Irish republic in the south; generally considered the political portion of the Irish Republican Army. One wing of it has engaged in terrorism.

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Other Word Forms

Derived Forms

• Sinn Feinism
  noun
• Sinn Féiner
  noun
• Sinn Feiner
  noun
• Sinn Féinism
  noun

Etymology

Origin of Sinn Fein

From Irish sinn f éin “we ourselves”

Example Sentences

Linda Dillon is a Sinn Fein MLA who lives in the Clonoe area and is calling for the issue to be resolved.

From BBC • Jun. 28, 2025

Former Sinn Fein president Gerry Adams, who helped broker the historic peace agreement, was in the gallery at the assembly to see O’Neill’s nomination.

From Seattle Times • Feb. 3, 2024

In May 2022, Sinn Fein overtook the D.U.P. in legislative elections and became Northern Ireland’s biggest party.

From New York Times • Jan. 29, 2024

The attack was condemned across all political parties, including the main opposition Sinn Fein.

From Reuters • Nov. 24, 2023

Campbell on Dunraven exploit, 164; warns Navy Department of German submarines visiting U.S. coast, 267 Sinn Fein, controversy with American sailors, 69; in league with Germany, 72Smith, Capt.

From The Victory At Sea by Hendrick, Burton J.