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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

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

Etymology

Origin of Sinn Fein

From Irish sinn f éin “we ourselves”

Example Sentences

See Examples For:

Sinn Fein Sinn Féin

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

Sinn Fein sees three departures and former DUP leader Jeffrey Donaldson will not stand again.

From BBC ● May 24, 2024

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

When the Dublin postal workers announced their intention of stopping work for two days in sympathy with a Sinn Fein strike, did he dismiss them?

From Punch, or the London Charivari, Vol. 158, 1920-05-12 by Sir Owen Seaman

Sinn Féin MP John Finucane told BBC Radio Ulster's Good Morning Ulster programme the recent events have been "hugely damaging the community relations".

From BBC ● Aug. 28, 2026

Stormont's health committee will convene later with departmental officials, including the department's permanent secretary, following a request from the committee's chair, Sinn Féin MLA Philip McGuigan.

From BBC ● Aug. 20, 2026

Sinn Féin councillor Eugene McConnell, chair of NACNI, advised members that the cross-party delegation "had left the minister in no doubt and that a further paper was being prepared for submission".

From BBC ● Aug. 13, 2026

Sinn Féin councillor Eugene McConnell said that while there may have been valid reasons for the farm animals to be culled, the public way it was carried out was "disturbing".

From BBC ● Jul. 30, 2026

Sinn Féin with its programme of national economics, has its roots in the history of the commercial relations between the two countries.

From The Sacred Egoism of Sinn Féin by Ernest Augustus Boyd