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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

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

From BBC ● Aug. 11, 2026

A total of 17 Labour MPs are also standing down, along with nine from the SNP, two from Sinn Fein, one from Plaid Cymru and one Green - the party's only MP, Caroline Lucas.

From BBC ● Apr. 19, 2024

The DUP agreed to return to power-sharing with the Irish nationalist party Sinn Fein earlier this year following a series of assurances about Northern Ireland’s constitutional position within the United Kingdom.

From Seattle Times ● Mar. 29, 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

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 Sir Owen Seaman

Sinn Féin councillor Brian Barney Harte said a wall was damaged at the side of a house in Strabane during the pursuit.

From BBC ● Sep. 12, 2026

Sinn Féin assembly member Colm Gildernew said Lisnahull is a "very close community" and that people in the area would reach out to those affected to support them.

From BBC ● Aug. 30, 2026

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

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

The formation of the Coalition Government marks the first stage in the history of Redmond's defeat and the victory of Sir Edward Carson and Sinn Féin.

From John Redmond's Last Years by Stephen Lucius Gwynn