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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 fayn] / 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

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

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Etymology

Origin of Sinn Fein

From Irish sinn f éin “we ourselves”

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Example Sentences

See Examples For:

Sinn Fein Sinn Féin

McDonald said Sinn Fein would assist police if its members' participation in the protest came under investigation.

From Barron's ● Oct. 5, 2026

Sinn Fein MLA Órlaithí Flynn has been contacted by families who want answers and action.

From BBC ● Aug. 11, 2026

Mr Donaldson was a police and MI5 agent within Sinn Fein.

From BBC ● Jul. 30, 2026

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

Mr. Bonar Law, usually so accurate, fell into an ancient trap, and declared that the Sinn Fein leaders had "raised a Frankenstein that they cannot control."

From Punch, or the London Charivari, Volume 159, August 11, 1920 by Sir Owen Seaman

Speaking outside the courts Sinn Féin MLA Deirdre Hargey said that she believes defending the residents "was the right thing to do" and that they "make no apology for that".

From BBC ● Oct. 28, 2026

In a statement issued by Sinn Féin on Friday afternoon, O'Neill confirmed she had received a letter from the PSNI.

From BBC ● Oct. 9, 2026

Thousands of people, including the Sinn Féin First Minister of Northern Ireland Michelle O'Neill, blocked the road on Sunday and police stopped Orangemen leaving Drumcree Church.

From BBC ● Sep. 30, 2026

Sinn Féin MLA Philip McGuigan, who chairs Stormont's health committee, said the proposed reconfiguration committee "could ensure public confidence in future decisions".

From BBC ● Sep. 3, 2026

Strong in the sacred egoism of Sinn Féin, the Irish nation is convinced that only in his own country can an Irishman usefully engage in the struggle for freedom.

From The Sacred Egoism of Sinn Féin by Ernest Augustus Boyd

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