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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

At the opening of the case against the BBC at the High Court in Dublin, the former Sinn Fein leader said he would give any award to "good causes".

From BBC • May 26, 2025

But he agreed to talk to Gerry Adams, the head of the group’s political wing, Sinn Fein, even though the two were widely reported to be deeply suspicious of each other’s motives.

From New York Times • Feb. 9, 2024

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

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

From Reuters • Nov. 24, 2023

Mr. Devlin, who was noisily incredulous as to the existence of a Sinn Fein conspiracy with Germany in 1918, was advised to wait for the documents about to be published.

From Punch, or the London Charivari, Vol. 159, 1920-11-17 by Seaman, Owen, Sir